Question # 1

Which of the following substance is used as filler or additive in paper making:

Choose an answer

Glucose

Starch

Fructose

Cellulose

To which of the following mixtures Dalton's law of partial pressures is not applicable?

Choose an answer

CO and CO₂

CO₂ and N₂

CH₄ and C₂H₆

HCI and NH₃

Zinc reacts with dilute acids to liberate hydrogen. This is because:

Choose an answer

Zn2+ ion is a powertul osidising agent than H' ion

H+ ion is a powerful oxidising agent than Zn ion

Zn2+ ion is a powerful reducing agent than H' ion

H+' ion is a powerful reducing agent than Zn- ian

Nihydrin reacts with amino acid to give product of

Choose an answer

Bluish color

Violet color

Bluish violet color

No color

The helical structure of protein is stabilized by

Choose an answer

Peptide bond

Covalent

Hydrogen bond

Glycoside bond

Which compound shows the highest melting point

Choose an answer

water

Propanoic acid

Methanoic acid

Ethanoic acid

A maltose molecule is formed by the combination of:

Choose an answer

two glucose molecules

one glucose and one fructose

molecule

one glucose and one galactose

The energy produced by a carbohydrate is:

Choose an answer

3 kcal/gm

2kcal/gm

6kcal/gm

4kcal/gm

Zn has

Choose an answer

Zero unpaired electrons

Three unpaired electrons

Five unpaired electrons

One paired electrons

SN2-reactions can be usually observed in

Choose an answer

Primary alkylı halide

secondary alkyl halide

Tertiary alkyl halide

Both A. and B

Fumaric acid converted into malic acid in the presence of

Choose an answer

Lyases

Glyceomutases

Fumarase

Hydrolases

Choose an answer

Pent -1-ene-3-yne

2-pentyne-4-ene

1-pentene-3-yne

Pent-2-yen-4-ene

The spectrum of He is expected to be similar to that of

Choose an answer

H

Na

He⁺

Li⁺

Which of the following compounds gives red precipitate with AgNO₃?

Choose an answer

Kl

K₂CrO₄

NaBr

NaNO₃

A fuel has the same knocking property as a mixture of 70 isooctane (2, 2, 4- trimethyl pentane) and 30% n-heptane by volume the octane number of the fuel is

Choose an answer

100

70

50

40

When the rate of formation of reactants is equal to the rate of formation of products, this is known as

Choose an answer

Chemical reaction

Chemical equilibrium

Chemical kinetics

None

Direct conversion of solid intro vapours is called:

Choose an answer

Crystallization

Sublimation

Obligation

Vapourization

A solution is a homogeneous mixture of two or more kinds different :

Choose an answer

Molecular.

Covalent substance

Ionic Substances

Both (a) and (c)

Which gasoline is better?

Choose an answer

Of low boiling point

Of low molecular mass

Of high octane

All of these

Li, Be, B, C, O, Fl Ne are elements of

Choose an answer

Second period

First period

Third period

Fourth period

The fractions obtained from fractional distillation of petroleum are placed in increasing order of their boiling points. Which order is correct

Choose an answer

Natural gas, petroleum ether, gasoline kerosene

Petroleum ether, kerosene, natural gas, petroleum ether

Gasoline, kerosene, natural gas, petroleum ether

Kerosene, gasoline, petroleum ether, natural gas

Which of the following is complex?

Choose an answer

CaSO₄. 0.5H₂O

(C₆H₁₀O₅)_n

C₆H₁₂O₆

CH₄

More Classes

Other Links

Chemistry General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer