EASY
10th CBSE
IMPORTANT
Earn 100

What is the chemical formula for washing soda?

A. NaHCO3B. Na2CO3C. Na2CO3.10H2O

(Enter your correct answer as A, B or C)

50% studentsanswered this correctly

Important Questions on Acids, Bases And Salts

EASY
10th CBSE
IMPORTANT
Dissolution of an acid in water is _____thermic reaction.
EASY
10th CBSE
IMPORTANT
What is the pH of a neutral solution?
EASY
10th CBSE
IMPORTANT
Give one example of a strong acid and a strong base?
MEDIUM
10th CBSE
IMPORTANT
Is CH3COOH strong or weak acid. Will its 0.1M solution have pH more or less than HCl of same concentration?
MEDIUM
10th CBSE
IMPORTANT
10mL of 0.1M HCl solution reacts completely with 10mL of 0.1M NaOH solution. What will be the pH of the resulting solution?
EASY
10th CBSE
IMPORTANT
The pH of same concentration of gastric juice and lemon juice are 1.5 and 2.4 respectively. Which is more acidic?
HARD
10th CBSE
IMPORTANT
The pH of a solution is 6. What is the hydrogen ion concentration?
MEDIUM
10th CBSE
IMPORTANT
Which of the following has a larger pH value?