The ordinary sulphur exists as

Important Questions on Metals and Nonmetals

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 7

Bauxite is the most important ore of

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 1

_____ is the most abundant metal in the earth’s crust. (Calcium/ Aluminium)

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2

The reactive metals do not occur in nature in the _____ state.

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 3

Electromagnets are used to concentrate _____ ores. (magnetic / non-magnetic)

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 6

Hard steel is heated to high temperature and then suddenly cooled in oil. The process is known as _____.

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 7

_____ is the best conductor of electricity.

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 8

In the extraction of aluminium from bauxite _____ is added to lower the melting point of bauxite. (Cryolite/ lead)

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 1

The poorest conductor among metals is lead.