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Can you post some sample questions related to assertion and reason for class 10
  • 7 answers

Sidharth ($Id) 6 years, 5 months ago

Do u want more questions?

Sidharth ($Id) 6 years, 5 months ago

Assertion: In a reaction of copper with oxygen, copper serves as a reducing agent. Reason : the substance which gains oxygen in a chemical reaction is reducing agent.

Sidharth ($Id) 6 years, 5 months ago

Assertion: pungent smelling gas is produced when sulphur burns in air. Reason : Sulphur trioxide is formed on reaction of sulpher with oxygen.

Sidharth ($Id) 6 years, 5 months ago

Assertion : White silver chloride turns grey in sunlight. Reason : Decomposition of silver chloride in presence of sunlight takes place to form silver metal and chlorine gas.

Sidharth ($Id) 6 years, 5 months ago

Assertion: Brown fumes are produced when lead nitrate is heated. Reason : Nitrogen dioxide gas is produced as a by product due to decomposition of lead nitrate.

Sidharth ($Id) 6 years, 5 months ago

Assertion: Calcium carbonate when heated gives calcium oxide and water. Reason: On heating calcium carbonate, decomposition reaction takes place.

Devansh Pandey 6 years, 5 months ago

You can get them from website cbseacademics.nic.in
https://examin8.com Test

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