Question # 1

Reaction of ethylamine with chloroform in alcoholic KOH producers

Choose an answer

CH₃OH

CH₃NC

C₂H₅NC

C₂H₅CN

Which of the following has least mass?

Choose an answer

2 gram atom of nitrogen

3 x 10²³ atoms of C

1 mole of S

7.0 g of Ag.

The symbol of the element whose atoms have the outer most electronic configuration 2s² 2p³ is

Choose an answer

N

Li

P

Na

Bromine is obtained on a commercial scale from

Choose an answer

Caliche

Carnallite

Common satl

Cryolite

Natural frertilizer provides phosphorus to plants in the form of P₂O₅

Choose an answer

1.2 kg

2.2 kg

3.2 kg

4 kg

Ascorbic acid is a chemical name of

Choose an answer

Vitamin D

Vitamin A

Vitamin C

Vitamin B₆

Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of

Choose an answer

Easy diffusion of Li⁺ ions

Lower ability of Li⁺ ions to polarize water molecules

Lowest charge to radius ratio

Higher degree of hydration of Li⁺ ions.

1-Chloropropane has two isomers It is an example of

Choose an answer

Chain isomerism

Position isomerism

Functional group isomerism

Metamerism

In the manufacture of iron from haematite,limestone is added to act as.

Choose an answer

Flux

A reducing

Slag

An oxidizing agent.

Which of the following will not change the concentration of ammonia in the equilibrium N₂(g) + 3H₂(g) 2NH₃(g): ΔH = -kj

Choose an answer

Increase of pressure

Increase of temperature

Decrease of volume

Addition of catalyst

Tollen's reagent is

Choose an answer

Ammonical cuprous chloride

Ammonical cuprous oxide

Ammonical silver bromide

Ammonical silver nitrate

More Classes

Other Links

NAT I Engineering Chemistry 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