Question # 1

Identify which one of the following compounds is a ketron?

Choose an answer

(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

PAN stands for

Choose an answer

Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

Which one of the following ion does not cause hardness in water?

Choose an answer

Ca⁺²

Mg^-2

SO^-2

Na⁺

Tetra saccharides are classified under.

Choose an answer

Monosaccharides.

Oligosaccharides

Polysaccharides

All of them

Infrared radiation emitted by the earth are absorbed by?

Choose an answer

CO₂,H₂O

N₂,O₂

CO₂,N₂

O₂,CO₂

Which of following is not conjugate base.

Choose an answer

S^-2

F^-1

Na⁺

SO₄

The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is.

Choose an answer

Ionic

Covalent

Metallic

Co-ordinate covalent

The order or reactivity of hydrogen halides with alkenes is.

Choose an answer

HI/Br

HBr > HI

HCl > HBr

HBr>HCl

The % age of drinkable water on earth is

Choose an answer

2.0%

0.02%

0.2%

5.0%

Alkenes are produced in large amounts by cracking of.

Choose an answer

Natural gas

Petroleum

Benzene

xylol

What one of the following does not contain protein?

Choose an answer

Pulses

Potatoes

Beans

Eggs

By which process alkenes are prepared from alcohols:

Choose an answer

Dehelogenation

Dehydrogenation

Dehydration

Dehydro-halogenation

Ionic compounds are soluble in water due to:

Choose an answer

Hydrogen bonding

ion-dipole forces

Dipole-dipole forces

Dipole -induced dipole forces

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