Class 10 Chemistry Grand MCQs Tests

Sulphur Trioxide is prepared according to the following reaction:
\(2SO_{ 2(g) }+O_{ 2(g) }\rightleftharpoons 2S{ O }_{ 3(g) }\)
The condition of this reaction is:

Highest temperature in Mesosphere is:

Hydrogen is added to Propene according to the following equation:
\(C{ H }_{ 3 }CH={ CH }_{ 2 }+{ H }_{ 2 }\rightarrow { 200-300^{ O }C } { CH }_{ 3 }-{ CH }_{ 2 }-{ CH }_{ 3 }\)
Which of the following catalysts is used for this reaction?

Chalcopyrite is the ore of:

Formic acid contains functional group:

In the following reaction which species is donating an electron pair?
\({ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }\)

What per cent of alkaline aqueous solution of \(KMnO_{ 4 }\) is used to detect the presence of an Alkene?

What is the percentage of Nitrogen in Ammonium sulphate \({ (NH }_{ 4 })_{ 2 }{ SO }_{ 4 }\)?

Lowest temperature in stratosphere is:

Lowest temperature in stratosphere is:

Which of the following is the functional group of amine?

Which of the following is a water soluble vitamin?

Which is used for dehydrohalogenation of Alkyl halides?

__________ is used to manufacture urea fertilizer.

_________ is used to make liquid soap and shaving cream.

Which product is obtained when chloromethane (or methyl chloride) is reduced?

The general formula for Amines is:

Which of the following is NOT a water-borne disease?

Which of the following reacts explosively with methane?

On boiling temporary hard water, the substance which is settled down is:

Which of the following is an ore of Aluminum?

What is the unit of equilibrium constant for N_{2 (g)} + O_{2 (g)} ⇔ 2NO_(g) ?

A double arrow (\(\rightleftharpoons \)) indicates.

In an irreversible reaction equilibrium is:

Compound of _________ helps to ensure antiseptic conditions in hospitals operating rooms.

Formic acid contains functional group:

Complete the following reaction:
\(CH\equiv CH+{ H }_{ 2 }\xrightarrow [ Ni ]{ 200-300^{ O }C } \) _____________

Which of the following is a Lewis base?

Galena is the ore of _________ metal.

The temperature inside a green house can be higher than the outside temperature.

Raffinose (\({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }\)) on hydrolysis forms ______ simple sugars.

What happens when ammonium carbamate is distilled with steam?

Which of the following diseases is caused due to the deficiency of vitamin-A?

The separation of mineral from gangue is called concentration. Which of the following methods is used for concentration?

The disease caused due to the deficiency of Vitamin D is:

For a reversible reaction K = \(\frac { { [C] }^{ 2 } }{ [A][B] } \) . The correct product of above expression is:

Which human activity results in contamination of water bodies?

Which of the following is a Lewis Base?

A drain cleaner solution contains 1.0 × \({ 10 }^{ -8 }\)M, \({ OH }^{ - }\) concentration. This solution is:

Which of the following is the chemical formula of Haematite?

The general formula of alkynes is:

Which of the following is used to remove permanent hardness in water?

By dehydration, we mean the removal of:

PbS is the formula of:

Disorders of Red blood cells is caused due to the deficiency of:

Raffinose (\({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }\)) on hydrolysis forms ______ simple sugars.

Which of the following reaction will not have any units for 𝐾𝑐?

Kwashiorkor is a disease caused by an extreme lack of:

Raffinose (\({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }\)) is a:

The emission of 𝐶𝑂, 𝑁𝑂 and unburned hydrocarbons can be reduced by using:

What is the concentration of \({ H }^{ + }\) ion in the milk of magnesia?

Which is used for dehydro-halogenation?

What is the chemical formula of slaked lime?

Which process produces an alkane?

Which of the following Salts causes temporary hardness in water?

Which substance is used as antacid and laxative?

The functional group of Amines is

\(N{ H }_{ 3 }\) cannot be classified as a base by:

Which of the following is not the macroscopic characteristic of forward reaction?

Glucose is:

Active mass means ____________.

Which is not a dextrose sugar?

Stem "But" stands for how many carbon atoms?

Which of the following catalysts is used to form NH₃ gas from Nitrogen & Hydrogen gas?

____________ causes breathing difficulties, asthma and eye irritation.

Which of the following substance reacts with to produce ethyleneglycol?

In the following reaction which species is donating an electron pair?
\({ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }\)

Which of the following is not a water borne disease?

Which of the following is an Ether?

Green colour in firework is produced by the use of: (Example 10.4 P-35)

Consider the following reaction,
\(H_{ 2 }O+HCl\rightleftharpoons { H }_{ 3 }{ O }^{ + }+{ Cl }^{ - }\) ,
which species is an electron pair acceptor in this reaction?

The formula of Halite is:

Nitrogen dioxide is synthesized according to the given equilibrium.
\(2NO_{ (g) }+O_{ 2(g) }\rightleftharpoons 2N{ O }_{2 (g) }\)
The unit of Kc, for this reaction is:

Which compound is not a saturated hydrocarbon?

When \(H^{ + }\) < 1 × [latex]10^{ -7 }[/latex] M, then solution will be:

Which process produces an Alkane?

Which of the following is the chemical formula of Gypsum?

Which product is obtained when chloromethane is reduced?

Consider the following reaction,
\(H_{ 2 }O+HCl\rightleftharpoons { H }_{ 3 }{ O }^{ + }+{ Cl }^{ - }\) ,
which species is an electron pair acceptor in this reaction?

Which is reddish brown gas?

Which coloured solution is produced, when Ketones are mixed with alkaline sodium nitro-prusside solution?

Which is an alcohol?

Most of air pollution is caused by:

Which compound has two halogen atoms on adjacent carbon atoms?

The reduction of alkyl halides takes place in the presence of:

Baeyer’s test is used to detect the presence of:

Which of the following is a heterocyclic compound?

Which of the following causes brain damage in children?

Which of the following is used as raw material for preparation of urea?

Identify the compound responsible for acid rain:

Which of the following is used as Antacid?

If an alkane is having '5’ carbon atoms then the number of Hydrogen atoms in this alkane will be:

Raffinose (\({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }\)) is a:

Which of the following is a Lewis acid?

Which of the following is a Lewis base?

The formula of ammonium carbamate is:

At what pH does Phenolphthalein change its colour?

Pitch is produced by:

Plants convert glucose into:

Which one of the following vitamins is fat soluble?

The unit of Kc for a reaction with equal number of moles of reactants & products is:

The gastric juice has pH= 1 It means a ___________________ solution.

What is the unit of equilibrium constant for
\({ N }_{ 2 }+{ O }_{ 2 }\rightleftharpoons 2N{ O }_{ 2 }\)

Formic acid contains _______ functional group.

Which one of the followings is insoluble in water?

What will happen if \([O{ H }^{ - }]\) increases?

Which of the following is used as jet fuel?

Raffinose produces ______ units of simple sugars when hydrolyzed.

The pH of Lemon juice is ‘2’. The \({ H }^{ + }\) ion concentration \({ H }^{ + }\) in the lemon juice is:

Which of the following cannot be classified as Arrhenius acid?

The general formula of alkane is:

Chemical formula of ammonium carbamate is:

Which one is not an air pollutant?

Reduction of Ethylchloride (\({ C }_{ 2 }{ H }_{ 5 }Cl\)) produces.

What is the colour of methyl red in basic solution?

In the given reaction which species is donating an electron pair?
\({ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }\)

Which of the following is responsible for acid rain?

What is the colour of phenolphthalein in acidic medium?

Which of the following acids is used in the manufacturing of many chemicals, drugs, dyes, paints and explosives?

For which reaction Kc has NO units?

Which of the followings is not a waterborne disease?

For a reversible reaction
\(K_{ C }=\frac { [HI]^{ 2 } }{ [{ H }_{ 2 }][{ I }_{ 2 }] } \)
which substance is product of the reaction?

Acid rain has pH less than:

By dehydration we mean the removal of:

Which of the following is a heterocyclic compound?

Which of the following is not a source of starch?

Which of the following does not happen, when a system is at equilibrium state?

In which of the following hydrocarbons, oxygen is attached to two alkyl groups?

Phenol gives _______ ppt with bromine water.

Halite is an ore of:

Marble buildings and statues are destroyed by acid rain due to reaction of Sulphuric acid with:

Identify molecule produced when electrical discharges pass through oxygen in air:

__________ is used for artificial ripening of fruits.

Which process produces an alkane?

For a reversible reaction Kc = \(\frac { { [C] }^{ 2 } }{ [A][B] } \) . The correct equation of above expression is:

Which of the following layers contains ozone gas?

In an irreversible reaction, equilibrium is:

Which of the following is a homocyclic compound?

Percentage of nitrogen in urea is:

Colour of methyl red in solution of pH=9 is:

Each DNA nucleotide consists of:

Permanent hardness of water can be removed by:

n-pentane: iso-pentane and neo pentane are having different:

Which of the following is an aldehyde?

Which of following reacts with concentrated alkaline KMn\({ O }_{ 4 }\) to produce oxalic acid?

Which of the following is used as domestic fuel?

In which of the following compounds, oxygen is attached to two alkyl groups?

For a general reaction 2A + B \(\rightleftharpoons \) 2C + D the rate of forward reaction will be equal to:

Chemical formula of Slaked lime is:

Which scientist proposed the law of mass action?

Which of the following is not a waterborne disease?

Which of the following is used for dehydrohalogenation of alkyl halides?

The word vitamin was first used by:

Which of the following process is reduction in nature?

Which of the following is evolved during the ripening of fruits and vegetables?

Formic acid contains functional group:

What are the units of Kc for
\( { N }_{ 2(g) }+{ O }_{ 2(g) }\rightleftharpoons 2{ N }{ O }_{ 2(g) } \)?

Which of the following is used for ripening of fruits?

At equilibrium state of a reversible reaction:

Fehling’s solution is used to determine the presence of:

The atmospheric layer that has the temperature range of −5 °C to −93°C is:

Which of the following is used as raw material for Solvay process?

Ultraviolet radiations are absorbed by ozone in the stratosphere, that is why:

___________ is used to make rectified spirit by fermentation process