Question # 1

The word alkali is derived from which language

Choose an answer

Arabic

Greek

French

German

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

Which one of the following pairs of metal reactive directly with nitrogen

Choose an answer

Na and Mg

Li and Mg

Mg and Ca

Li and Be

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

Choose an answer

Beryllium

Nitrogen

Sulphur

Chorine

Which gas is evolved when CO2 is passed through KO2.

Choose an answer

O2

CO

O3

None of these

Chile saltpeter has the chemical formal

Choose an answer

NaNO₃

KNO₂

Na₂B₄O₇

Na₂CO₃.H₂O

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 has lowest first ionization energy.

Choose an answer

Li

Na

Rb

Cs

When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is.

Choose an answer

COCl2

H2CO3

CaO

CaCO3

The oxide of beryllium is

Choose an answer

Acidic

Basic

Amphoteric

None of these

Which meal is least reactive

Choose an answer

Li

NaOH

K

Pb

Which element reacts with alkali and H2 gas is produced.

Choose an answer

Be

Mg

Ca

Sr

The most metallic elements from the following is

Choose an answer

Arsenic

Oxygen

Antimony

Bismuth

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

Choose an answer

CaCO3

CaCl2

MgSO4

AlCl3

Which is called milk of magnesia.

Choose an answer

MgCO3

Mg(OH)2

MgSO4

MgCl2

The oxides of beryllium are

Choose an answer

Basicity

Rancidity

Amphoteric

none of all

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