HARD
10th CBSE
IMPORTANT
Earn 100

Identify the acid and base which form sodium hydrogen carbonate. Write chemical equation in support of your answer. State whether this compound is acidic, basic or neutral. Also write its pH value.

Important Questions on Acids, Bases and Salts

HARD
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 7
State the effect of concentration of H+aq ions on the nature of the solution. Do basic solution also have H+aq ions? If yes, then why are these basic? 
EASY
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 8
A white powder is added while baking cakes to make it soft and spongy. Name its main ingredients. Explain the function of each ingredient. Write the chemical reaction taking place when the powder is heated during baking.
MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 9
A compound 'X' is bitter to taste. It is a compound of washing powder and reacts with dilute HCl to produce brisk effervescence due to a colourless and odourless gas 'Y' which turns lime water milky due to the formation of 'Z' when excess of CO2 is passed, milkiness disappears due to formation of 'P'. Identify 'X', 'Y', 'Z' and 'P'. Write the equations involved in the formation of Y, Z and P.
HARD
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 10
For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake.
(a) How will it affect the taste of the cake and why?
MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 10

For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake. How can baking soda be converted into baking powder?

MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 10

For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake. What is the role of tartaric acid added to baking soda?

MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 11
What happens when: gypsum is heated at 373 K?
 
MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>SELF-ASSESSMENT TEST>Q 11

What happens when: electricity is passed through an aqueous solution of sodium chloride?