Question # 1

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

Which is not an air pollutant?

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CO₂

CO

SO₂

NH₃

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

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Jaundic

Dysentery

Cholera

Typhoid

The characteristics of reversible reactions are the following except:

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Products never recombine to form reactants.

They never complete

The proced in both ways

They have a double arrow between reactants and products.

Which one of the following is Lewis base?

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NH₃

BF₃

H⁺

AlCl₃

When glucose and fructose combine they produce

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Starch

Cellulose

Sucrose

None of these

Ozone is formed in:

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Troposphere

Stratosphere

Mesosphere

Thermosphere

The process by which atmospheric nitrogen is turned into nitrates in the soil is called.

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Nitration

Fixing

Oxidation

Reduction

Which gas is emitted due to volcanic eruption?

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CO₂

SO₃

NO₂

H₂

The elements that do not conduct heat and electricity are called.

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Metallurgy

Non metal

Metalloid

Alloy

How many units are in Pakistan for manufacturing of Urea.

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3

6

9

12

Substitution reaction is the characteristics of.

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Alkanes

Alkenes

Alkynes

None of these

Which gas creates suffocation and causes death?

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CO

CO₂

SO₃

SO₂

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