Question # 1

Which one of the following will not react with dilute HCI?

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Sodium

Potassium

Calcium

Carbon

Gold was used for utensils as early as ____________ BC.

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3400

3500

3600

3700

Which one is moderate reactive metal?

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Pb

Na

Ca

Mg

Gold can only be dissolved by:

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Acids

Bases

Aqua Regia

Nil

All non-metals are non-conductor of heat and electricity except it

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Phosphorous

Sulphur

Graphite

Iodine

Metal oxides are

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Amphoteric

Basic

Acidic

Neutral

All are noble metals except:

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Silver

Gold

Hydrogen

Platinum

____________ Is drawn in wires.

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Gold

Silver

Helium

Nil

Which one of the following metals burns with a brick red flame?

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Sodium

Magnesium

Iron

Calcium

Which one of the following is the lightest metal?

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Calcium

Magnesium

Lithium

Sodium

All metals are solid except

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AI

Mg

Na

Hg

Which one metal can be cut with a knife?

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Na

Mg

AI

Ca

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