EASY
10th ICSE
IMPORTANT
Earn 100

Gallium and caesium metals have low melting points.

100% studentsanswered this correctly

Important Questions on Metals and Non-metals

EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 5
Copper reacts with dilute sulphuric acid to form copper sulphate and hydrogen gas.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 6
Aqua regia can dissolve gold.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 7
Silver metal displaces copper from copper sulphate solution to form silver nitrate and copper metal.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 8
Ionic compounds are formed by the transfer of electrons from a metal to a nonmetal atom.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9
Electrovalent compounds can conduct electricity in the solid-state as they have ions.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 10
Aluminium oxide can be reduced to aluminium using carbon (coke) as a reducing agent.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 11
In electrolytic refining of copper, pure copper is taken as anode.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 12
Solder is an alloy of lead and tin.