EASY
7th CBSE
IMPORTANT
Earn 100

The alloy formed from gold and mercury is called mercury amalgam.

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Important Questions on Chemistry in Daily Life

EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 4

Give reason for the following:

  • Graphite is used as a lubricant.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 5
Iodine in a mixture of potassium iodide and alcohol is called tincture of iodine.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 6
Sodium is a very hard metal.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 7
Non-metals are generally non-malleable and non-ductile.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 8
Platinum is used as a catalyst.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 9
Graphite is a good conductor of heat.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 10
Xenon and krypton are used in electric bulbs to slow down the sublimation of tungsten.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 6 - Chemistry in Daily Life>PRACTICE QUESTIONS (COMPETITION WING)>Q 11
Blue vitriol is used as a fungicide for grape plants.