Question # 1

The mineral CaSO₄.2H₂O has the general name

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Dolomite

Gypsum

Calcite

Epsom Salt

Which one does not belong to the alkaline earth metals

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Be

Ba

Ra

Rn

Nelson's cell is used to prepare

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NaOH

Na₂CO₃

Na metal

NaCl

Which elements are deposited at the cathode during the electrolysis of brine in diaphragm cell

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H₂

Ba

Ra

Rn

Which is insoluble in water.

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BeSO4

MgSO4

CaSO4

BaSO4

The element cesium bears resemblance with

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Ca

Cr

Both of the above

None of the above

Which substance is used to lower the melting point of NaCl in Down's cell

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CaCO3

CaCl2

MgSO4

AlCl3

Down's cell is used to prepare.

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Sodium carbonate

Sodium bicarbonate

sodium metal

Sodium hydroxide

Magnesium metal does not burn in the jar of

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N2

O2

Ne

N2 and O2

In which ore carbon is present

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Magnesite

Epsom salt

Barite

Sylvite

Point out the element which forms super oxide

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Li

Na

K

C

Which metal oxide is insoluble in water

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MgO

CaO

SrO

BaO

Sulphur is essential constituent for plants. Which is not role of sulphur

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Chlorophyll development

Development of root system

Constituents of some proteins

Increase transpiration force

Which oxide is amphoteric in nature.

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BeO

MgO

CaO

BaO

When water is added to plaster of paris, it changes to a hard mass. Its volume also expands upto

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1%

2%

3%

5%

Oxide of Alkaline earth metal are

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Acid

Basic

Neutral

Amphoteric

Which one of the following does not belong to alkaline earth metals

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Be

Ra

Ba

Rn

Which one of the following is not an alkali metal

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Francium

Caesuym

Rubidium

Radium

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Chemistry Fsc Part 2 Chapter 2 Online Test MCQs With Answers

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