Question # 1

Cholera is caused by

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Protozoa

Virus

Bacteria

Fungi

The color of Iodine is:

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Purple

Black

Red

Pink

The water which produces good lather with soap is called:

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soft water

hard water

heavy water

typical water

If Qc > Kc the reaction will be in

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Chemical equilibrium

Static equilibrium

Reverse reaction

Forward reaction

Which one of the diseases causes severe diarrhea and can be fatal?

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Jaundice

Dysentery

Cholera

Typhoid

The region of ozone decomposition in stratosphere is.

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20 km

30 km

40 km

50 km

Which of following is not conjugate base.

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S^-2

F^-1

Na⁺

SO₄

All acids turn blue litmus.

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Red

Blue

Pinck

White

Condensed formula of ethane is

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C₃Cl₈

C₂Cl₆

H₃CCH₃

None of these

Incinerator reduces solid waste into .

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Ash

Flue gas

Heat

All of them

Normal rain water is:

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weakly acidic

strongly acidic

weakly basic

strongly basic

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

Which one of the following is Lewis base?

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NH₃

BF₃

H⁺

AlCl₃

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