MEDIUM
7th ICSE
IMPORTANT
Earn 100

Gunpowder is an example of a heterogeneous mixture. Give the reason for this statement.

Important Questions on Elements, Compounds & Mixtures

HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 4

In chromatography, the absorbent medium e.g. Whatman filter paper is known as the - stationary phase. Give reason for this statement.

HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 5
The non-sublimable solid from a mixture of iodine & potassium nitrate.
HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 5
The heavier liquid component from - mercury & water.
HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 5
Which one has the lower boiling point component among methyl alcohol and water?
HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 5
The compound containing one atom of sulphur & two atoms of oxygen.
HARD
7th ICSE
IMPORTANT
Simplified Chemistry>Chapter 3 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q 5
Name the acid whose formula is H2CO3.