MEDIUM
10th ICSE
IMPORTANT
Earn 100

Some pieces of copper and zinc are added into separate test tubes each containing dilute hydrochloric acid. Describe what would be expected to see happening in each test tube.

Important Questions on Metals and Non-metals

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 2

State three reasons for the following fact:

Sulphur is a non-metal.

One of the reasons must be supported with a chemical equation.

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 2

State three reasons for the following fact:

Magnesium is a metal.

One of the reasons must be supported with a chemical equation.

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 3
Hydrogen is not a metal, but it has been assigned a place in the reactivity series of metals. Give reason.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 4
Why does aluminium not react with water under ordinary conditions?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 5
There are three unknown metals A, B, and C. C displaces B from its oxide while with oxide of A, there is no reaction. Give the reactivity order of A, B, and C.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 6
When calcium metal is added to water, the gas evolved does not catch fire, but the same gas evolved after adding potassium metal to water catches fire. Explain why? 
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 6
Name a metal that displaces hydrogen gas from nitric acid.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>Practice Questions>Q 6
Name a metal that does not react with any physical state of water.