MEDIUM
10th CBSE
IMPORTANT
Earn 100

What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved. 

Important Questions on Carbon And its Compounds

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 34

Choose those compounds from the following which can turn blue litmus solution red: HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO. Give reasons for your choice.

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 35
Explain the process of preparation of soap in laboratory.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 35
Why is common salt (sodium chloride) added during the preparation of soap?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 35
Why is soap not suitable for washing clothes when the water is hard?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 36
What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 36
What happens when ethanoic acid reacts with sodium carbonate? Write the chemical equation of the reaction involved.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 36
Give a test that can be used to differentiate chemically between butter and cooking oil.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 37
Describe, giving equation, a chemical reaction which is characteristic of saturated hydrocarbons (or alkanes).