Class 10 Chemistry Grand MCQs Tests

Which of the following is not a water borne disease?

Galena is the ore of _________ metal.

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

Which of the following is a water soluble vitamin?

Which of the following is the chemical formula of Haematite?

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

Formic acid contains functional group:

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

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

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:

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

Highest temperature in Mesosphere is:

Which process produces an Alkane?

What happens when ammonium carbamate is distilled with steam?

Which process produces an alkane?

Which is used for dehydrohalogenation of Alkyl halides?

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

The functional group of Amines is

Kwashiorkor is a disease caused by an extreme lack of:

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

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

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

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

Which is used for dehydro-halogenation?

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

Which compound is not a saturated hydrocarbon?

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

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

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

Which of the following reacts explosively with methane?

Which of the following is an ore of Aluminum?

____________ causes breathing difficulties, asthma and eye irritation.

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?

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

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

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

Which is not a dextrose sugar?

Formic acid contains functional group:

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

Which of the following is an Ether?

Glucose is:

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

Which is an alcohol?

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

Chalcopyrite is the ore of:

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

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

PbS is the formula of:

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

The general formula of alkynes is:

Which of the following is the chemical formula of Gypsum?

Which substance is used as antacid and laxative?

What is the chemical formula of slaked lime?

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

Which of the following is the functional group of amine?

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

Which of the following Salts causes temporary hardness in water?

Which human activity results in contamination of water bodies?

The formula of Halite 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) ?

By dehydration, we mean the removal of:

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

Lowest temperature in stratosphere is:

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

Which is reddish brown gas?

Which of the following is a Lewis Base?

Which product is obtained when chloromethane is reduced?

The general formula for Amines is:

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

__________ is used to manufacture urea fertilizer.

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

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

Lowest temperature in stratosphere is:

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

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 of the following is a Lewis base?

Active mass means ____________.

Stem "But" stands for how many carbon atoms?

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

In an irreversible reaction equilibrium is:

Which of the following substance reacts with to produce ethyleneglycol?

Which of the following causes brain damage in children?

Plants convert glucose into:

Which of the following is responsible for acid rain?

Which of the following is used for ripening of fruits?

What is the colour of methyl red in basic solution?

Which of the following cannot be classified as Arrhenius acid?

Identify the compound responsible for acid rain:

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

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

Which of the followings is not a waterborne disease?

Pitch is produced by:

Which one of the following vitamins is fat soluble?

Formic acid contains _______ functional group.

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

For which reaction Kc has NO units?

Most of air pollution is caused by:

Chemical formula of Slaked lime is:

At equilibrium state of a reversible reaction:

Which of the following is used as jet fuel?

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

Which of the following is used as Antacid?

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

The formula of ammonium carbamate is:

Which process produces an alkane?

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

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

Each DNA nucleotide consists of:

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

Permanent hardness of water can be removed by:

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

Chemical formula of ammonium carbamate is:

What is the colour of phenolphthalein in acidic medium?

__________ is used for artificial ripening of fruits.

By dehydration we mean the removal of:

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

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

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

Which of the following is not a waterborne disease?

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 one is not an air pollutant?

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

Percentage of nitrogen in urea is:

Which one of the followings is insoluble in water?

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

Which of the following is a Lewis base?

The word vitamin was first used by:

Raffinose produces ______ units of simple sugars when hydrolyzed.

Phenol gives _______ ppt with bromine water.

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

Which of the following is a heterocyclic compound?

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

___________ is used to make rectified spirit by fermentation process

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

At what pH does Phenolphthalein change its colour?

Which of the following layers contains ozone gas?

Which of the following is a Lewis acid?

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

Which of the following is a homocyclic compound?

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

Which of the following is not a source of starch?

Halite is an ore of:

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

Which of the following process is reduction in nature?

Which of the following is used as domestic fuel?

Which compound has two halogen atoms on adjacent carbon atoms?

In an irreversible reaction, equilibrium is:

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

Which of the following is an aldehyde?

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

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

Acid rain has pH less than:

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

The general formula of alkane is:

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

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

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

Which scientist proposed the law of mass action?

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

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

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

Which of the following is a heterocyclic compound?