Chemistry - Mock Test 13

Question 121

Which Of The Following Is A Natural Dye ?

A) Phenolphthalein B) Alizarin C) Aniline Blue D) Crystal Violet

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Question 122

Denatured Spirit Is Ethanol Mixed With ?

A) Water B) Pyridine C) Kerosene D) Petrol

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Question 123

One Of The Following Is Used To Dissolve Noble Metals. That Is ?

A) Nitric Acid B) Hydrochloric Acid C) Sulphuric Acid D) Aqua Ragla

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Question 124

Which Of The Following Metals Form An Amalgam With Other Metals ? ?

A) Lead B) Tin C) Zinc D) Mercury

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Question 125

Dry Powder Fire Extinguishers Contain ?

A) Sand B) Sand And Sodium Carbonate C) Sand And Potassium Carbonate D) Sand And Sodium Bicarbonate

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Question 126

The Material Used In The Manufacture Of Lead Pencil Is ?

A) Mica B) Carbon C) Lead D) Graphite

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Question 127

Which One Of The Following Is An Example Of A Gel ? ?

A) Milk B) FaceCream C) ShavingCream D) Cheese

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Question 128

The Coloured Discharge Tubes Foradvertisement Mainly Contain ?

A) Neon B) Argon C) Helium D) Xenon

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Question 129

Which Of The Following Metals Occurs In Free State ?

A) Iron B) Zinc C) Copper D) Lead

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Question 130

The Cathode Of A Lead Storage Battery Is Made Up Of ?

A) Lead B) Zinc C) Lead Oxide D) Manganese Dioxide

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