EASY
10th CBSE
IMPORTANT
Earn 100

Which of the following is treated with chlorine to obtain bleaching powder ?
(a)
(b)
(c)
(d)

50% studentsanswered this correctly

Important Questions on Acids, Bases And Salts
EASY
10th CBSE
IMPORTANT
Plaster of Paris is prepared by heating one of the following to a temperature of . This is-

EASY
10th CBSE
IMPORTANT
A salt whose aqueous solution will have a of more than 7 will be

EASY
10th CBSE
IMPORTANT
A salt is dissolved in water and the of this salt solution is measured with a universal indicator paper. If the of solution is less than , the salt is most likely to be

EASY
10th CBSE
IMPORTANT
Which of the following salts will give an aqueous solution having of almost ?

MEDIUM
10th CBSE
IMPORTANT
and are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn blue litmus red?

MEDIUM
10th CBSE
IMPORTANT
and are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn red litmus blue?

HARD
10th CBSE
IMPORTANT
The metal salt is blue in colour. When salt A is heated strongly over a burner, then a substance is eliminated and a white powder is left behind. When a few drops of a liquid are added to powder , it becomes blue again. What could be and ?

MEDIUM
10th CBSE
IMPORTANT
When the concentrated aqueous solution of substance is electrolysed, then , and are produced. Name the substance . What is the special name of this process?
