Question # 1

The nature of enzyme is.

Choose an answer

Protein

Vitamin

Fats

Carbohydrate

Identify which one of the following compounds is a ketron?

Choose an answer

(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

When crude oil is heated in the fractionating tower:

Choose an answer

Vapour of higher boiling point fraction condense first in the lower part of the tower.

Vapours of lower boiling point fraction condense first in the lower part of tower.

Vapour of higher boiling point condense lather in the upper part of tower.

Vapours of higher boiling point never condense.

Which pollutant is responsible for changing weather?

Choose an answer

Air pollutant

Water pollutant

Soil pollutant

All of them

Ammonia is prepared by:

Choose an answer

Solvay's process

Haber's process

Floatation process

Bayer's process

The boiling point of water is.

Choose an answer

100^oC

4^oC

0^oC

25^oC

Potassium ferrocyanide salt is.

Choose an answer

Normal

complex

Basic

Acidic

Oxidation of alkenes produce.

Choose an answer

Glyoxal

Glycol

Oxalic acid

Formic acid

At dynamic equilibrium:

Choose an answer

The reactions stops to proceed

The amounts of reactants and products are equal

The speed of the forward is reverse reactions are equal

The reaction can no longer be reversed

Hydrogenation of vegetable oil to convert it into banaspatic ghee is carried out in the presence of catalyst:

Choose an answer

Ni-metal

Zn-metal

Na - Metal

Fe2O3

Molecular formula of butane is

Choose an answer

C₄H₈

C₄H₁₀

C₄H₁₂

C₄H₆

The strong heating of coal in the absence of air called.

Choose an answer

Fractional Distilation

Destructive Distiation

Carbonization

Catenation

A product of any Lewis acid base reaction is a single specie called.

Choose an answer

Salt

Water

Adduct

None of these

More Classes

Other Links

Chemistry 10th Class English Medium Online Test 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