Chapter Quiz

General Science - Chemistry

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Question 1

Who proposed the Atomic Theory stating that every chemical element is made of a unique kind of atom?

Question 2

Which of the following are Metalloids (elements showing properties of both metals and non-metals)?

Question 3

One mole of an ideal gas at STP (Standard Temperature and Pressure) occupies how many litres?

Question 4

Avogadro's Law states that at same temperature and pressure, all gases in equal volumes have:

Question 5

Charles' Law (studied in 1787) states that the volume of a gas:

Question 6

The electron was discovered by which scientist?

Question 7

How many protons are there in the nucleus of Lithium?

Question 8

What is the atomic mass of Oxygen (expressed in 'u')?

Question 9

Protium, Deuterium and Tritium are naturally occurring isotopes of which element?

Question 10

Dmitri Mendeleev created the Periodic Table in which year?

Question 11

Mendeleev could NOT give proper position to which element in his Periodic Table?

Question 12

Elements of Group Zero (Group 18) in the Periodic Table are generally called:

Question 13

Which inert gas is commonly found in light bulbs?

Question 14

Hydrogen in the Periodic Table matches the properties of which two groups?

Question 15

Newlands' Law of Octaves started from Hydrogen and ended at which element (56th element)?

Question 16

Three components necessary for rusting of iron are:

Question 17

Galvanization is the process of coating iron with which metal to prevent rusting?

Question 18

Which is the most reactive metal among the following in the electrochemical activity series?

Question 19

Acids turn blue litmus paper to which colour?

Question 20

Which acid is found in Apple?

Question 21

Formic (Methanoic) Acid is found in which of the following?

Question 22

Vinegar is a synonym for which acid used in kitchens worldwide?

Question 23

Water with low salinity stays at which position when mixed with dense high salinity water?

Question 24

Dry Ice is the solid form of which substance?

Question 25

Buckminsterfullerene is an allotrope of which element?

Question 26

Catenation property (ability of an atom to bond with same type of atoms) is strongest in:

Question 27

Nitrous Oxide (N₂O) is chemically known as:

Question 28

Washing Soda (Sodium Carbonate - Na₂CO₃) is used to remove which type of hardness of water?

Question 29

What is the chemical name of Baking Soda?

Question 30

The common name of Calcium Sulphate Hemihydrate [CaSO₄·½H₂O] is:

Question 31

Limestone (Chuna Patthar) is mainly made up of which compound?

Question 32

Epsom Salt is the common name of which compound?

Question 33

Which is the only antibacterial metal?

Question 34

Which metal has the lowest melting point among Tin, Lead, Zinc and Silver?

Question 35

Which is the most malleable and ductile metal?

Question 36

Cuprite (Cu₂O) is an ore of which metal?

Question 37

Constantan (also known as Eureka) is an alloy of Copper and:

Question 38

Methane gas is commonly known by what name because it is found in marshy/wetland areas?

Question 39

The chemical formula of Propene (Propylene) is:

Question 40

The bond angle in the structure of one Benzene molecule is:

Question 41

The compound with formula CH₃CH₂OH is named:

Question 42

Chloroform is the common name of which organic compound?

Question 43

Which organic compound class has the functional group -OH?

Question 44

Antoine Lavoisier published 'Methods of Chemical Nomenclature' in which year?

Question 45

Michael Faraday discovered Benzene in which year?

Question 46

Fireworks exploding is an example of which chemical process?

Question 47

The main chemical present in Detergent Powder is:

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