EASY
Earn 100

Why copper wire is used for wiring at our houses? Explain.

Important Questions on Material : Metals and Non-Metals

EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

Give reasons.

(i) Platinum, gold and silver are used to make jewellery.

EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Which colour is given by cobalt oxides to glass?
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

Give reasons:

 Platinum, gold and silver are used to make jewellery. 

HARD
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State five uses of metals and five uses of non-metals.
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State one use of the following non-metal:
Oxygen
HARD
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State one use each of the following non-metals:
Hydrogen, Carbon (as Graphite), Nitrogen, Sulphur
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Which of the following is a use of non-metal?
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State one use of the following non-metal:
Sulphur
HARD
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Name two metals which are used for making jewellery and to decorate sweets.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

Give one use of the following metal:

Aluminium

EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

Give one use of the following metal:

Copper

MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

Match the substances given in column A with their uses given in column B:

A B
(i) Gold (a) Thermometers
(ii) Iron (b) Electric wires
(iii) Aluminium (c) Wrapping food
(iv) Carbon (d) Jewellery
(v) Copper (e) Machinery
(vi) Mercury (f) Fuel
HARD
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State one use each of the following metals:
Copper, Aluminium, Iron, Silver, Gold, Mercury
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Give one use of the following metal:
Iron
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals

List a few uses of metals.

HARD
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Name two metals which are used for making domestic utensils and factory equipment.
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Give one use of the following metal:
Mercury
EASY
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
State one use of the following non-metal:
Nitrogen
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
The rechargeable battery used in a mobile phone handset is usually:
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Uses of Metals and Non-metals
Leela's mother wants to buy some utensils for her home. Which material do you think these utensils would be made of— aluminium or emerald? Give reasons for your answer.