Non-metallic oxides are also known as _________ oxides.

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Solution

Non-metals-
They are generally liquid and gases at room temperature. except for carbon.
Lustrous- they don't have a shiny surface.
Non- Ductile- they can't be drawn into wire.
Non-Malleable- they can't be hammered or rolled into thin sheets.
They are poor conductors of heat and electricity.
Example- Hydrogen, oxygen, chlorine, solid sulphur solid carbon, etc.
Oxide of non-metal:
They all are acidic oxides.
Non-metal oxides turn blue litmus to red.
Hence,
Non-metallic oxides are also known as acidic oxides.

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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) Metals are ........................... conductors of heat and ............................

(b) Most non-metals are ........................... conductors of heat and ...........................

(d) Metals react with acids to produce ........................... gas.

(e) Iron is more ........................... than copper.

(f) Metals form ........................... oxides whereas non-metals form ........................... oxides.

(g) Sulphur forms ........................... oxide whereas magnesium forms ........................... oxide.

(h) A non-metal is used to make an antiseptic solution called tincture ...........................

Metallic oxides are also known as _______ oxides.

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