MEDIUM
9th CBSE
IMPORTANT
Earn 100

Which one is a mixture of two compounds?
(a)Iron filings Sulphur powder
(b)Air
(c)Sea water
(d)Sugar Common salt

36.36% studentsanswered this correctly

Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)
EASY
9th CBSE
IMPORTANT
_____ cannot be broken into simpler forms by chemical or physical methods. (Elements/ Compounds)

EASY
9th CBSE
IMPORTANT
Metals can be drawn into wires. Therefore, they are _____ substances.

EASY
9th CBSE
IMPORTANT
Metals can be hammered into thin sheets. Therefore, they are _____ substances. (ductile/malleable)

MEDIUM
9th CBSE
IMPORTANT
Which one is not the property of a mixture?

MEDIUM
9th CBSE
IMPORTANT
Which one is not a correct statement?

HARD
9th CBSE
IMPORTANT
What happens on adding dilute HCl to a mixture of iron filings and sulphur powder?

MEDIUM
9th CBSE
IMPORTANT
Which one of the following is a physical change?

MEDIUM
9th CBSE
IMPORTANT
Which one of the following is a chemical change?
