Chemistry Questions

Among the given nutrients, milk is a poor source of

In a combination reaction there can be ______.

I. two or more than two reactants

II. two or more than two products

III. only one product

An atom can achieve octet by ______.

I. sharing electron

II. gaining electron

III. losing electron

Saturated carbon compounds can form which types of chain structures?

I. Straight chain

II. Branched chain

A ‘breath test’ used by traffic police to check drunken driving uses ____?

Brass gets discoloured in air because of the presence of which of the following gases in air  ?

Which statement(s) is/are CORRECT regarding Dalton’s Atomic theory?

I. All matters are made of very tiny particles.

II. Atoms of different elements have different masses and chemical properties.

III. The relative number of atoms is variable in any compound.

What is the structure of IF7 ?