HARD
10th CBSE
IMPORTANT
Earn 100

An aluminium can is used to store ferrous sulphate solution. It is observed that in a few days holes appear in the can. Explain the observation and write the chemical equation in support of your answer.

Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 14
Ferrous sulphate decomposes with evolution of gas having a characteristic odour of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 1
Complete the missing components/variables given as x and y in the following reactions:
PbNO32aq+2KIaqPbI2x+2KNO3(y)
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 1
Complete the missing component/variable given as x in the following reaction.
Cus+2AgNO32aq→CuNO32(aq)+x(s)
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 1
Complete the missing components/variables given as x and y in the following reaction.
Zns+H2SO4aq→ZnSO4x+H2(y)
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 2
The given change below is exothermic or endothermic in nature?
Decomposition of ferrous sulphate
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 2
The given change below is exothermic or endothermic in nature?
Dilution of sulphuric acid
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 2
The given change below is exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 1 - Chemical Reactions and Equations>EXERCISE 1B>Q 3
Identify the reducing agent in the following reaction.

4NH3+5O2→4NO+6H2O