Question # 1

Which one of the following is not an alkali metal.

Choose an answer

Francium

Cesium

Rubidium

Radium

Chile saltpeter has the chemical formal

Choose an answer

NaNO₃

KNO₂

Na₂B₄O₇

Na₂CO₃.H₂O

Which ion will have the maximum value of heat of hydration.

Choose an answer

Na+

Ca+

Ba+2

Mg+2

The crystals of caustic soda, NaOH, are hygroscopic when these crystals are exposed to air.

Choose an answer

Gain water and remains solid

Gain water and becomes liquid

Lose mass and remain solid

Remain unchanged on heating.

Which one of the following is not an alkali metal

Choose an answer

Francium

Caesuym

Rubidium

Radium

Which of the following compounds is used to make spray, which has fungicidal action.

Choose an answer

BaSO4

Na2CO3

CaO

CaSO4.2H2O

Which element reacts with carbon to form metal carbide.

Choose an answer

Li

Na

K

All of these

Which is more basic

Choose an answer

RbOH

NaOH

KOH

Li OH

Point out the element which forms super oxide

Choose an answer

Li

Na

K

C

Which is more basic

Choose an answer

RbOH

NaOH

KOH

Li OH

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

Choose an answer

CaCO3

CaCl2

MgSO4

AlCl3

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

Choose an answer

1%

2%

3%

5%

Alkali metal whose carbonate is is relatively less stable and decomposes giving its oxides is.

Choose an answer

Li

Ba

K

Rb

In which ore carbon is present

Choose an answer

Magnesite

Epsom salt

Barite

Sylvite

------------- does not belong to Alkaline-Earth metals

Choose an answer

Be

Ra

Ba

Rn

Which on eof the following alkaline earth metal form peroxide when heated with oxygen at 600 ^oC

Choose an answer

Magnesium

Calcium

Strontium

Barium

The word alkali is derived from which language

Choose an answer

Arabic

Greek

French

German

The most metallic elements from the following is

Choose an answer

Arsenic

Oxygen

Antimony

Bismuth

Which one of the following elements has the same oxidation number in all its known compounds.

Choose an answer

Beryllium

Nitrogen

Sulphur

Chorine

Which one is not use of lime

Choose an answer

Extraction of metals

Ceramic industry

Preparation of bleaching powder

Preparation of gypsum

Setting of Plaster of Paris is accompanied with

Choose an answer

Hydrogen bonding

Hydration

Dehydration

None of these

Which is insoluble in water.

Choose an answer

BeSO4

MgSO4

CaSO4

BaSO4

Nelson's cell is used to prepare

Choose an answer

NaOH

Na₂CO₃

Na metal

NaCl

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

Choose an answer

Be

Ra

Ba

Rn

More Classes

Other Links

Chemistry Fsc Part 2 Chapter 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer