Question # 1

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

Example of pest is

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Weeds

Herbs

Insect

All of them

Permanent hardness is removed by adding.

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Na₂ zeolite.

Soda lime

Lime water

Quick lime

The surface tension of water is:

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very low

moderate

high

zero

Water dissolves non-ionic compound by

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Ion-ion forces

Ion-dipole forces

Dipole -dipole forces

Hydrogen bonding.

At which temperature o water shows mxamimum density.

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0 ^oC

100^oC

4^oC

-4^oC

Specific heat capacity of water is.

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4.2 KJg^-1 K^-1

4.2 Jg^-1K^-1

2.4 KJg^-1K^-1

2.4 Jg^-1K^-1

Which compound protect teeth from diseases?

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Fluorine compound

Chlorine compound

Iodine compound

Bromine compound

Which one of the following gases is used to destroy harmful bacteria in water.

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Iodine

Chlorine

Fluorine

Bromine

Temporary hardness can be removed by__________.

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Quick lime

Slaked lime

Lime stone

HCl

Which is not a heavy metal.

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Cadmium

Lead

Zinc

Murcury

Which disease is caused by polluted water.

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Cholera

Typhoid

Diarrhea

All of them

Sodium zeolite is resin of:

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NaAl(SiO₃)₂

KAl(SiO₃)₂

LiAl(SiO₃)₂

RbAl(SiO₃)₂

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