Question # 1

Which one is moderate reactive metal?

Choose an answer

Pb

Na

Ca

Mg

Electropositive character depends upon:

Choose an answer

Atomic size

Nuclear charge

Ionization energy

Electron affinity

The colour of calcium metal flame is

Choose an answer

Golden yellow

Brilliant white

Brick red

Light green

All metals are solid except

Choose an answer

AI

Mg

Na

Hg

All non-metals are non-conductor of heat and electricity except it

Choose an answer

Phosphorous

Sulphur

Graphite

Iodine

Metals from a ____________ part of earth on which we live.

Choose an answer

Smaller

Larger

Medium

Nil

Which one of the following is brittle?

Choose an answer

Sodium

Aluminum

Selenium

Magnesium

Metals lose their electrons easily because:

Choose an answer

They are electronegative

They have electron affinity

They are electropositive

Good conductors of heat

All are noble metals except:

Choose an answer

Silver

Gold

Hydrogen

Platinum

The earth is made up of ____________ % of aluminum.

Choose an answer

6

7

8

9

Gold was used for utensils as early as ____________ BC.

Choose an answer

3400

3500

3600

3700

Oxygen is ___________

Choose an answer

Metals

Non-metals

Gas

b & c

____________ Is drawn in wires.

Choose an answer

Gold

Silver

Helium

Nil

More Classes

Other Links

9th Class Chemistry Chapter 8 Chemical Reactivity English Medium KPK Boards Online Mcqs 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