EASY
10th CBSE
IMPORTANT
Earn 100

Write balanced chemical equation for the reaction taking place when steam is passed over red hot iron.

Important Questions on Metals And Non-Metals

MEDIUM
10th CBSE
IMPORTANT
Choose a metal out of the following that reacts with hot water but not with cold water: sodium, magnesium, iron.
Mention the products formed during the reaction.
MEDIUM
10th CBSE
IMPORTANT

Choose the metal from the list given below that can displace zinc from zinc sulphate solution:

lead, copper, magnesium, silver.
Write the equation for the chemical reaction involved.

MEDIUM
10th CBSE
IMPORTANT

What is the activity series of metals? Rearrange the following metals in increasing order of reactivity:

Aluminium, zinc, mercury.

MEDIUM
10th CBSE
IMPORTANT

Write chemical equations for the reactions taking place when:

Zinc sulphide is heated in air

MEDIUM
10th CBSE
IMPORTANT
Write chemical equations for the reactions taking place when Carbon dioxide gas is passed into lime water.
EASY
10th CBSE
IMPORTANT
A copper plate was dipped into a solution of AgNO3. After sometime, a black layer was deposited on the copper plate. State the reason for it. Write the chemical equation of the reaction involved.
EASY
10th CBSE
IMPORTANT
From amongst the metals sodium, calcium, aluminium, copper and magnesium, name the metal
(a) that reacts with water only on boiling.
(b) another that does not react with steam.
EASY
10th CBSE
IMPORTANT
When the powder of a common metal is heated in an open china dish its color turns black. However, when hydrogen is passed over the hot black substance so formed, it regains its original color. Based on the above information answer the following questions :
(i) What type of chemical reaction takes place in each of the two given steps?
(ii) Name the metal initially taken in the powder form. Write balanced chemical equations for both reactions.