Question # 1

Marsh gas is mostly :

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ethane

methane

butane

propane

Chalco-pyite is an ore of:

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iron

aluminium

silver

copper

Synthesis of protein is directed by.

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DNA

RNA

Both of them

None of them

In a Reversible Reaction if Qc = Kc then.

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Reaction is occuring in forward direction

Reaction is occuring in Reverse direction

Equilibrium has been allained

Reaction is not at equilibrium

The value of constant of ionic product of water Kw at 25 C.

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1.0 x 10^-4

1.0 x 10¹⁴

1.0 x 10^-4

1.0 x 10⁴

Which chemical is called king of chemicals?

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KNO₃

H₂SO₄

HCl

NHO₃

75% atmosphere mass lies in how many kilometers.

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11 km

30 km

50 km

85 km

What is pOH of 0.01 M solution of HCl?

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1

4

12

13

The alkanes consisting of C₅ to C₁₀

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gases

liquids

solid

plasma

Which is not an air pollutant?

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CO₂

CO

SO₂

NH₃

Major portion of ozone layer is foun in.

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Troposphere

Stratosphere

Mesosphere

Thermosphere

Which one of the following is testeless?

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Sucrose

Glucose

Fructose

Starch

Which one of the following diseases causes liver inflammation?

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Typhoid

Jaundice

Cholera

Hapatitis

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

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