EASY
Earn 100

are homogeneous mixture of metals or combination of metals and non-metals.

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Important Questions on Material : Metals and Non-Metals

EASY
Which colour is given by cobalt oxides to glass?
EASY

Give reasons.

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

EASY
Give reasons-
Platinum, gold and silver are used to make jewellery.
EASY

Give reasons:

 Platinum, gold and silver are used to make jewellery. 

HARD
State one use each of the following non-metals:
Hydrogen, Carbon (as Graphite), Nitrogen, Sulphur
MEDIUM

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
MEDIUM
State one use of the following non-metal:
Sulphur
HARD
State five uses of metals and five uses of non-metals.
EASY

_________ is essential for our life which all living beings inhale during breathing.

HARD
Name two metals which are used for making jewellery and to decorate sweets.
EASY
State one use of the following non-metal:
Nitrogen
HARD
Name two metals which are used for making domestic utensils and factory equipment.
EASY
State one use of the following non-metal:
Oxygen
HARD
State five uses of metals and five of non-metals.
MEDIUM

Give one use of the following metal:

Aluminium

MEDIUM
The rechargeable battery used in a mobile phone handset is usually: