MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is the colour of universal indicator when it is added to potassium hydroxide (pH=12).

Important Questions on Acids, Bases and Salts

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 12
What is the colour of universal indicator when it is added to soda water (pH=5).
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 12
What is the colour of universal indicator when it is added to sulphuric acid (pH=2)
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 13

Classify the following into substances having pH values above or below 7.

Lemon juice, Solution of washing soda, Toothpaste, Vinegar, Gastric juice.

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 14
'pH has a great importance in our daily life'. Explain by giving three examples.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 15
A beaker of concentrated hydrochloric acid has a pH of 1. What is the colour of the universal indicator, if it is added to this beaker?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 16
Under what soil conditions do you think a farmer would treat the soil of his fields with quicklime (calcium oxide), or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 1
Why is sodium hydrogen carbonate an essential ingredient in antacids?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 2 - Acids, Bases and Salts>PRACTICE QUESTIONS SET>Q 2
Write the chemical name of baking soda. Write balanced chemical equation for its preparation. Mention its one use.