EASY
10th CBSE
IMPORTANT
Earn 100

Name a metal which combines with hydrogen gas. Name the compound formed.

Important Questions on Metals and Non-Metals

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 1
Why are metals called electropositive elements and non-metals called electronegative elements?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 4
Give one example each of metal that is good conductor of electricity and metal that is poor conductor of electricity
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 5
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non metal?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 6
A solution of CuSO4 was kept in an iron pot. After a few days the iron pot was found to have a number of holes in it. Explain the reason in terms of reactivity. Write the equation of the reaction involved.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 7
Give differences between calcination and roasting.
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 9
Explain, carbon cannot reduce oxides of sodium or magnesium.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
Why are ionic compounds usually hard?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
How is that ionic compounds in the solid state do not conduct electricity, and they do so when in the molten state?