EASY
10th CBSE
IMPORTANT
Earn 100

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

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Important Questions on Metals and Nonmetals

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.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2
All metals react with water with the same activity.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 3
Sulphur dissolves in water to form sulphuric acid.