Question # 1

the chemical formula of chalcopyrite is:

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Cu₂S

CuFe₂S

CuS

FeS

Which one of the following disease causes severe diarrhea and can be fatal:

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Jaundic

Dysentery

Cholera

Typhoid

The meaning of latin word acidus is.

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Sweet

Tasteless

Salty

Sour

When HCl and KOH is reacted the salt formed is.

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Acidic

Basic

Normal

Complex

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

The % age of carbon is lignite is

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60

70

80

90

Traces of acetylene are present in coal gas about.

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0.06 %

0.08%

1.1%

90%

A saturated solution of sodium chloride is called.

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Brine

Suspension

Colloidal

None of these

Reactions which have comparable amounts of reactants and products at equilibrium state have:

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very small Kc value

Very large Kc value

Moderate Kc value

None of these

Froth flotation process is used to concentrate the ore on:

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Density basis

Concentration basis

Wetting basis

Magnetic basis

Latin word 'Acidus' means:

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sweet

salty

sour

bitter

Dextrose is a crystallized:

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sucrose

lactose

glucose

fructose

Which one is triglyceride.

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carbohydrates

Proteins

Lipids

Vitamins

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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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