Name:

(a) a liquid non-metal,

(b) a metal with dull appearance,

(c) a metal with low melting and boiling points,

(d) a non-metal with very high m.p & b.p.,

(e) a metal which can float on water,

(f) a metal which can be cut with a knife,

(g) a metal which is a bad conductor of heat and electricity,

(h) a non-metal which is ductile,

(i) a non-metal used in alloys.

(j) a non-malleable metal.

(k) two metalloids

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Solution

(a) Bromine
(b) Lead
(c) Gallium
(d) Carbon
(e) Sodium
(f) Sodium
(g) Tungsten
(h) Carbon fibre
(i) Carbon
(j) Mercury
(k)

Boron.

Silicon.

Germanium.

Arsenic.

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Similar questions

Q. Name the following:

(a) A lustrous liquid metal.
(b) A liquid non-metal
(c) A metal which can be cut with a knife
(d) A non-metal which is good conductor of electricity.

Name the following : [3 MARKS]

(a) A lustrous liquid metal.
(b) A liquid non-metal
(c) A metal which can be cut with a knife
(d) A non-metal which is good conductor of electricity.
(e) An element which melts when kept on the palm.
(f) Good conductor of heat.

Name

(a) a soft metal.

(b) a metal which is brittle.

(d) a liquid metal.

(e) a metal which is a poor conductor of electricity.

(f) a non-metal which is a good conductor of electricity.

(g) a liquid non-metal.

(h) the hardest naturally occurring substance.

(i) an inert gas.

Q. Question 30
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.
(a) Name a lustrous non-metal.
(b) Name a non-metal which exists as a liquid at room temperature.
(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.
(d) Name a non-metal which is known to form the largest number of compounds.
(e) Name a non-metal other than carbon which shows allotropy.
(f) Name a non-metal which is required for combustion.

Name:

(a) two metals which are liquid at room temperature,

(b) metal which do not corrode easily

(d) a non-metal which is lustrous,

(e) a non-metal which conducts electricity,

(f) a metal which is brittle,

(g) two elements which are monoatomic,

(h) two metallic oxides which are acidic,

(i) two metallic oxides which are amphoteric,

(j) two metallic which react with cold water,

(k) the compound responsible for green deposit on the surface of copper,

(l) a non-metal which can form a positive ion,

(m) a non-metal which shows reducing property,

(n) a metal whose oxide is reduced only by carbon.

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(a) Bromine (b) Lead (c) Gallium (d) Carbon (e) Sodium (f) Sodium (g) Tungsten (h) Carbon fibre (i) Carbon (j) Mercury (k) Boron. Silicon. Germanium. Arsenic.

(a) Bromine
(b) Lead
(c) Gallium
(d) Carbon
(e) Sodium
(f) Sodium
(g) Tungsten
(h) Carbon fibre
(i) Carbon
(j) Mercury
(k)

Boron.

Silicon.

Germanium.

Arsenic.