EASY
10th CBSE
IMPORTANT
Earn 100

Baking soda is used in small amount in baking bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda-acid fire extinguisher. Use the information to answer the following question:
Is pH value of baking soda solution less than or greater than 7?
 

Important Questions on Acids, Bases and Salts

HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 18
State the chemical name and formula of washing soda. Write two chemical equations involved in the preparation of washing soda from baking soda. 
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 1
Four solutions A, B, C and D when tested with universal indicator showed pH as 2, 1, 12 and 9 respectively. Which solution is
(a) strongly acidic ?
(b) Weakly acidic?
(c) Strongly basic?
(d) Weakly basic?
 
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 2
What happens when crystals of washing soda are left open in dry air? What is this change named as? Name two industries based on washing soda.
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 3
The term 'available chlorine' is used in case of the bleaching powder. What is meant by the term 'available chlorine’? Which gas is released when this compound is left exposed to air? Give reaction also.
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 4
Give the chemical name of acid present in ants. (Methanoic acid / Ethanoic acid)
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 4
Give the chemical name of acid present in lemon. (Tartaric acid / Citric acid)
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 4
Give the chemical name of the organic acid present in milk.
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>SELF-EVALUATION TEST>Q 4
Give the chemical name of acid present in tomato.