EASY
10th CBSE
IMPORTANT
Earn 100

Why is common salt (sodium chloride) added during the preparation of soap?

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 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).
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 37
What is an oxidising agent? Name two oxidising agents which can oxidise ethanol to ethanoic acid.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 37
Describe one reaction of a carboxylic acid.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Short Answer Type Questions>Q 38
Write names and formulae of hydrocarbons containing a single and a double bond (one example for each). Give one characteristic chemical property of each.