Question # 1

The process of removing temporary hardness of water.

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Clark's method

Washing soda method

Sodium zeolite

Filteration method

Which disease cause liver inflammation?

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Typhoid

Jaundice

cholera

Hepatitis

Which is used to manufacture of soap?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Coal is blackish complex mixture of compounds of

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Carbon

Hydrogen

oxygen

All

In an irreversible reaction dynamic equilibrium:

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Never establishes

Established before the completion of reaction

Establishes after the completion of reaction

Establishes readily

Which is the natural sugar found in starchy food.

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Pentose

Dextrose

Hexose

All of them

Sodium zeolite is resin of:

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NaAl(SiO₃)₂

KAl(SiO₃)₂

LiAl(SiO₃)₂

RbAl(SiO₃)₂

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

Monosaccharides are crystalline solids

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Grey

Crimson

Silver

White

The process of roasting during metallurgy of copper is carried out in a special furnace called.

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Blast furnace

Fire furnace

Bessemer converter

Reverberatory furnace

Blonde hair contains compounds of:

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molybdenum

iron

titanium

copper

A pollutant is a waste material that pollutes.

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Air

Water

Soil

All of them

Which disease causes bone and tooth damage?

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Fluorosis

Hepatits

Cholera

Jaundice

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