In the mouth, starch is converted into ______ by the action of saliva.

Question

In the mouth, starch is converted into ______ by the action of saliva.

A. sucrose

B. glucose

C. fructose

D. mannose

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Cupellation is used in the purification of

A. Lead

B. Tin

C. Silver

D. Gold

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White lead is

A. a basic salt

B. an acid salt

C. a double salt

D. a normal salt

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The value of Avogadro Number is

A. 6.023 x 1022

B. 1 x 10-14

C. cl 6.056 x 10-6

D. 6.023 x 1023

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The function of nitrogen in air is

A. to make air a moderate supporter of combustion

B. to maintain the density of air constant

C. to prevent the hydrogen in air from exploding

D. to reduce the poisonous nature of ozone in air

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The carbon cycle ensures that

A. the percentage of carbon dioxide in air is kept almost constant

B. air always contains a constant proportion of oxygen

C. sufficient amounts of carbohydrates are produced

D. the process of photosynthesis proceeds smoothly

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The rate of setting of cement is slowed down by the addition of

A. quicklime

B. gypsum

C. soda lime

D. bleaching powder

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Suspended impurities in water are effectively removed by

A. adding milk of lime

B. filtering through sand

C. adding filter alum

D. chlorination

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Which of the following act a both u oxidising and reducing agent?

A. nitric acid

B. ammonia

C. nitrous acid

D. nitrogen peroxide

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In the mouth, starch is converted into ______ by the action of saliva.

A. sucrose

B. glucose

C. fructose

D. mannose

Discuss this answer

The hormone which absorption is increases glucose oxidation and glucose

A. adrenalin

B. thyroxin

C. insulin

D. epinephrine

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The ore of iron is

A. Dolomite

B. Magnetite

C. Bauxite

D. Anglesite

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Gold dissolves in aqua regia due to the formation of

A. chloro auric acid

B. auric chloride

C. gold nitrate

D. aurous chloride

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Burglar proof safes are made of

A. Tungsten steel

B. Manganese steel

C. Chromium steel

D. Nickel steel

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The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

A. A - Z

B. A + Z

C. Z

D. A

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The artificial silk produced from cellulose is

A. Polyethylene

B. Nylon

C. Terylene

D. Rayon

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Which of the following is not an alloy of copper?

A. Bronze

B. Brass

C. Solder

D. Gun metal

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Annealing of glass is carried out by

A. rapid cooling

B. rapid heating

C. slow cooling

D. slow heating

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Beri-beri is caused by deficiency of Vitamin

A. A

B. C

C. B12

D. B1

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The flux added in the blast furnace is

A. Limestone

B. FeO

C. SiO2

D. MgO

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The main element used in the vulcani-sation of rubber is

A. nickel

B. copper

C. sulphur

D. graphite

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Compounds of nitrogen with metals are called

A. nitrates

B. nitrites

C. hyponitrates

D. nitrides

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The alloy added in the preparation of steel contains

A. Fe and C

B. Mn and C

C. Fe and Mn

D. Fe, Mn and C

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Optical instruments are made of

A. pyrex glass

B. flint glass

C. quartz glass

D. Crooke's glass

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Fructose is also called

A. dextrose

B. fruit sugar

C. beet sugar

D. blood sugar

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The name rubber was given by

A. Lavoisier

B. Priestley

C. Dalton

D. Avogadro

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Biogas is obtained during

A. decomposition of petrol

B. fermentation of animal and plant waste

C. destructive distillation of coal

D. electrolysis of water

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Petroleum ether is also known as

A. kerosene

B. naphtha

C. lubricating oil

D. asphalt

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The best specimen for drinking purposes is

A. rain water

B. river water

C. conductivity water

D. deep well water

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Rooms in places infected by plague are disinfected using

A. bleaching powder

B. iodoform

C. sulphur dioxide

D. chlorine

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Even as early as 3000 BC glass was known to the

A. Europeans

B. Egyptians

C. Asians

D. Americans

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Accepted Answer

D. mannose

In the mouth, starch is converted into ______ by the action of saliva.

Correct Answer :

Show all General Chemistry MCQ

Related Questions

Cupellation is used in the purification of

White lead is

The value of Avogadro Number is

The function of nitrogen in air is

The carbon cycle ensures that

The rate of setting of cement is slowed down by the addition of

Suspended impurities in water are effectively removed by

Which of the following act a both u oxidising and reducing agent?

In the mouth, starch is converted into ______ by the action of saliva.

The hormone which absorption is increases glucose oxidation and glucose

The ore of iron is

Gold dissolves in aqua regia due to the formation of

Burglar proof safes are made of

The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

The artificial silk produced from cellulose is

Which of the following is not an alloy of copper?

Annealing of glass is carried out by

Beri-beri is caused by deficiency of Vitamin

The flux added in the blast furnace is

The main element used in the vulcani-sation of rubber is

Compounds of nitrogen with metals are called

The alloy added in the preparation of steel contains

Optical instruments are made of

Fructose is also called

The name rubber was given by

Biogas is obtained during

Petroleum ether is also known as

The best specimen for drinking purposes is

Rooms in places infected by plague are disinfected using

Even as early as 3000 BC glass was known to the

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