Question # 1

Which of the following is a heterogeneous mixture

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Concrete mixture

a solution of potassium nitrate in water

a solution of calcium hydroxide in water

Hot chocolate

Which one of the following is heterogeneious mixture.

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Milk

Ink

Sugar solution

Milk of magnesia

In diamond, each C-atom is covaently bonded wiht.......C-atom

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Two

Three

Four

Five

Which one of the example of colloid.

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Paints

Milk of magnesia

Jelly

None of these

Which branch of chemistry tells us sulphuric acid is extremely corrosive to skin.

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Organic chemistry

Physical chemistry

Inorganic chemistry

Biochemistry

The batteries in our vehicles are bilt on the principl of electronchemistry It is the application.

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Astrochemistry

Physical chemistry

Analyticla chemistry

Organic chemistry

Any thing that has mass and occupies space is called.

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Liquid

Gas

Solid

Matter

Which branch of chemistry helps to protectwater that bas been poisoned by soil.

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Organic chemistry

inorganic chemistry

Environmenal chemistry

Geochemistry

Which liquid among the followingis a colloidal solution.

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Milk

Slaked lime used for white wash

Vinegar solution

Mixtur eof AgCl in water

Whcih one of the following wil show negligible effect of termperture on its solubility.

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KCl

KNO3

NaCl

NaNO3

When the tiny particles of a substance are dispersed athough a medicium, the mixture is named as.

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True solution

Suspension

Colloid

Heterogeneios mixture

Macroscopic propertues are properties that can be visualized by

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Telescope

The naked eye

Microscope

Electron microscope

You are styding the rate of hydrolysis of organic compund staarch under different conditonns of temperature. In which branch of chemistry this topic will fall

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Organic Chemistry

analytical chemistry

Biochemistry

Physical Chemistry

A state of matter whose properties are between those of liqids and crystalline solids.

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Plasma

dark matter

Liquid crystal

Supercriticl fluid

How many state of matter exist.

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One

Two

Three

Four

The solubility of which salt decreases with the increase of temperture.

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KNO3

Li2SO4

KCl

NaNO3

Whcih branches of chemistry deals with the changes that occur in atomic nuclei.

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Environmental chemistry

nuclear chemistry

Astrochemistry

Bio chemistry

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Chemistry 9th Class English Medium Unit 1 Online Test MCQs With Answers

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