EASY
10th ICSE
IMPORTANT
Earn 100

Write the chemical equation for the reaction taking place when zinc carbonate is heated.

Important Questions on Metals and Non-metals

EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9
Write the chemical equation for the reaction taking place when cinnabar is heated in air.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9
Write the chemical equation for the reaction taking place when manganese dioxide is heated with aluminium powder.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 10
Metal Y reacts violently with cold water and the reaction is exothermic in nature. Assign the reason for it by identifying Y. Give your answer with the help of chemical equation.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 11
Oxides of the metal, which are high in the activity series, are not reduced by carbon. How will you account for it?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 12
An ore, when heated in the absence of air, liberates gas which turns lime water milky. Identify the nature of the ore and give outline steps for its extraction.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 13
An ore, when heated in the presence of air, liberates gas which is responsible for acid rain. Identify the nature of the ore and give outline steps for its extraction.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 14
Explain, why calcium metal after reacting with water start floating on its surface. Writ the chemical equation for the reaction.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 15
An ore gives sulphur dioxide, SO2 gas on heating in air. What method, in each metallurgical operation, will be required to extract the metal from the ore.