Chemistry Quiz

1. Which element has highest electronegativity ?

• Chlorine

• Bromine

• Fluorine

• None

The purest form of iron is

• Wrought iron

• steel

• pig iron

• nickel iron

Hydrogen bomb is based on the principle of ......

• Nuclear fission

• Nuclear fusion

• Radioactivity

• All

Which one of the following is not a mixture ?

• air

• milk

• mercury

• cement

The shape of s-orbital is..............

• dumbell

• spherical

• flat

• double dumbell

Which one of the following does not contain silver ?

• horn silver

• german silver

• ruby silver

• none

Which is called as stranger gas ?

• Argon

• Neon

• Xenon

• Nitrous oxide

Rubies and Sapphires chemically known as

• Silicon dioxide

• Aluminium oxide

• Lead tetra oxide

• Boron nitride

Which is known as artificial silk ?

• cotton

• rayon

• terylene

• nylon

which acid is present in lemon ?

• tartaric acid

• lactic acid

• lactic acid

• citric acid