Question # 1

Sindh alkalies limited was established near Karachi in.

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1965

1966

1970

2000

Clark's method is used to remove the hardness of water, in this method which is used.

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Ca(HCO₃)₂

Na-Zeolite

Ca-Zeolite

Ca(OH)₂

Reaction which have comparable amount 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

Which is used to manufacture of soap?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Which gas creates suffocation and causes death?

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CO

CO₂

SO₃

SO₂

Glucose and fructose are.

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Pentose

Triose

Hexoses

None of these

How many percentage to water contains oceans?

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67%

77%

87%

97%

Which element protects teeth from decay?

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Potassium

Fluorine

Sodium

Calcium

Which of the following is the hardest coal?

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Pear

Lignite

Bituminous

Anthracite

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

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Jaundic

Dysentery

Cholera

Typhoid

Bond energy of C-C is.

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200 KJmol^-1

452 KJmol^-1

300 KJmol^-1

355 KJmol^-1

Carbohydrates are synthesized by plants through.

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Respiration

Photosynthesis

Dehydrateion

Evaporation

You want to dry a gas which one of the following salt you will use?

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CaCl₂

NaCl

CaO

Na₂SIO₃

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