dissolves gold and platinum.

Important Questions on Metals and Non-metals

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9

The_____ series is a list of metals arranged in the order of their decreasing reactivity.

MEDIUM

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 10

Metal oxides that react with both acids and bases to produce salt and water are called_____ oxides.

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 1

Hydrogen is the most abundant element in the universe. 

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 2

Nonmetals are good conductors of heat and electricity.

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 3

Non-metals are electronegative elements as they form negative ions by gaining electrons.

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 4

Gallium and caesium metals have low melting points.

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 5

Copper reacts with dilute sulphuric acid to form copper sulphate and hydrogen gas.

EASY

10th ICSE

IMPORTANT

Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 6

Aqua regia can dissolve gold.