Class 10 Chemistry Grand MCQs Tests

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

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

Which of the following reacts explosively with methane?

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

The general formula for Amines is:

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

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?

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 is reddish brown gas?

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:

What is the chemical formula of slaked lime?

Which of the following Salts causes temporary hardness in water?

The functional group of Amines is

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

Highest temperature in Mesosphere is:

Which human activity results in contamination of water bodies?

Which of the following is the chemical formula of Gypsum?

In an irreversible reaction equilibrium is:

Which is used for dehydrohalogenation of Alkyl halides?

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

Which is used for dehydro-halogenation?

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

Which of the following is a Lewis Base?

__________ is used to manufacture urea fertilizer.

Which of the following is a Lewis base?

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

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

Kwashiorkor is a disease caused by an extreme lack of:

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

The formula of Halite is:

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

Which of the following is not a water borne disease?

Which of the following substance reacts with to produce ethyleneglycol?

Lowest temperature in stratosphere is:

_________ is used to make liquid soap and shaving cream.

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

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

Which of the following is an Ether?

Which process produces an alkane?

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

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

The general formula of alkynes is:

What happens when ammonium carbamate is distilled with steam?

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

____________ causes breathing difficulties, asthma and eye irritation.

PbS is the formula of:

Which is an alcohol?

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

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

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

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

Which of the following is the functional group of amine?

Lowest temperature in stratosphere is:

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

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

Active mass means ____________.

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

Which substance is used as antacid and laxative?

Stem "But" stands for how many carbon atoms?

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 used to remove permanent hardness in water?

Glucose is:

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

Formic acid contains functional group:

Which process produces an Alkane?

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

Chalcopyrite is the ore of:

Which of the following is a water soluble vitamin?

Which is not a dextrose sugar?

Galena is the ore of _________ metal.

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

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

Which of the following is an ore of Aluminum?

By dehydration, we mean the removal of:

Which compound is not a saturated hydrocarbon?

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

Which of the following is the chemical formula of Haematite?

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

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

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

Which product is obtained when chloromethane is reduced?

Acid rain has pH less than:

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

The general formula of alkane is:

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

Which of the following is a homocyclic compound?

At what pH does Phenolphthalein change its colour?

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

Each DNA nucleotide consists of:

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

Which one is not an air pollutant?

Which of the following is used as domestic fuel?

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

Which of the following layers contains ozone gas?

Percentage of nitrogen in urea is:

Which of the following is not a waterborne disease?

Chemical formula of Slaked lime is:

Which of the following is used as Antacid?

Which of the following process is reduction in nature?

Which of the following is used for ripening of fruits?

Which compound has two halogen atoms on adjacent carbon atoms?

Which of the following is a heterocyclic compound?

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

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

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

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

Which of the following cannot be classified as Arrhenius acid?

Halite is an ore of:

Which of the followings is not a waterborne disease?

The word vitamin was first used by:

What is the colour of phenolphthalein in acidic medium?

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

Which one of the followings is insoluble in water?

Most of air pollution is caused by:

Which process produces an alkane?

Plants convert glucose into:

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

In an irreversible reaction, equilibrium is:

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

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

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

Raffinose produces ______ units of simple sugars when hydrolyzed.

Which of the following is a Lewis base?

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

Formic acid contains _______ functional group.

At equilibrium state of a reversible reaction:

By dehydration we mean the removal of:

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

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

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

Which of the following is responsible for acid rain?

Identify the compound responsible for acid rain:

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

For which reaction Kc has NO units?

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

__________ is used for artificial ripening of fruits.

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

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

The formula of ammonium carbamate is:

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

What is the colour of methyl red in basic solution?

Which of the following causes brain damage in children?

Which of the following is a heterocyclic compound?

Which of the following is a Lewis acid?

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

Which scientist proposed the law of mass action?

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

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

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

Chemical formula of ammonium carbamate is:

Which one of the following vitamins is fat soluble?

Which of the following is an aldehyde?

Permanent hardness of water can be removed by:

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

Which of the following is used as jet fuel?

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

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

Formic acid contains functional group:

___________ is used to make rectified spirit by fermentation process

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

Which of the following is not a source of starch?

Phenol gives _______ ppt with bromine water.

Pitch is produced by: