Non-Metals and Their Compounds: MCQ Test
50 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 50
Which of the following is/are responsible for acid rain?
- Acarbon dioxide
- Bcarbon monoxide
- CPropane
- DN²O and SO²
Question 2 of 50
The moderator used in nuclear reactor is ____
- Aplain water
- Bgraphite
- CUranium
- DRadium
Question 3 of 50
The molecular weight of heavy water is ____
- A18
- B20
- C22
- D24
Question 4 of 50
The main constituent of human bone is ______.
- ACa
- BP
- CFe
- DZn
Question 5 of 50
Which of the following gases forms an almond coloured solution when passed through an alkaline solution of pyrogale?
- Aoxygen
- Bnitrogen
- Chydrogen
- Dcarbon dioxide
Question 6 of 50
Helium is preferred over hydrogen in air balloons because
- Ais relatively cheap
- Bis relatively less dense
- CPossesses relatively high lifting power
- Ddoes not form explosive mixtures with air
Question 7 of 50
In rural areas, water is disinfected by ____.
- Aby sodium chloride
- Bby chlorine
- Cby potassium permanganate
- Dby sodium sulphate
Question 8 of 50
Carbon dioxide gas reacts with water to form ______.
- Acarbolic acid
- Bcarbonic acid
- Ccarbomic acid
- Dsulfurous acid
Question 9 of 50
Which of the following gases pollutes the air the most?
- Acarbon dioxide
- Bcarbon monoxide
- Csulfur dioxide
- Dhydrocarbons
Question 10 of 50
What kind of smell does ozone gas have?
- Alike rotten eggs
- Blike rotten meat
- Clike rotten fish
- Dlike mustard oil
Question 11 of 50
Another name of hydrochloric acid is-
- AGallic acid
- Bpicric acid
- CMuriatic acid
- Dchloric acid
Question 12 of 50
The colour of brass turns pale in air due to the presence of which of the following?
- Aoxygen
- Bhydrogen sulfide
- Ccarbon dioxide
- Dnitrogen
Question 13 of 50
When a burning stick is taken to a jar filled with nitrogen, it ___
- AAnd it burns brighter.
- Bremains unchanged.
- Cblows out
- Dblows out
Question 14 of 50
What is the more common name for solid carbon dioxide?
- Amercury
- BPotash
- Cdry ice
- DIpsum
Question 15 of 50
The property of catenation is strong in ............
- ACarbon
- BSulphur
- CSilicon
- Dnitrogen
Question 16 of 50
Hydrogen was discovered by whom?
- ACharles
- BKevendrash
- CPriestley
- DBoyle
Question 17 of 50
Seaweeds are an important source of which of the following?
- Asulfurous
- Bof chlorine
- Cof bromine
- Dof iodine
Question 18 of 50
Suitable conditions for the preparation of ammonia by Haber's process are ____
- Ahigh pressure and low temperature
- Bhigh pressure and high temperature
- Clow pressure and low temperature
- Dlow pressure and high temperature
Question 19 of 50
Ammonia is present in ______
- Anitrogen and hydrogen
- Bhydrogen and oxygen
- Csulfur and chlorine
- Dnitrogen and sulfur
Question 20 of 50
The initial stage of coal formation is ____
- Apeat
- BLignite
- Cbituminous
- DAnthracite
Question 21 of 50
Used in the manufacture of matchsticks_
- Awhite phosphorus
- BRed Phosphorus
- CSilicon
- DSelenium
Question 22 of 50
The tip of a match contains_
- Aphosphorus pentoxide
- Bphosphorus trichloride
- CRed Phosphorus
- Dwhite phosphorus
Question 23 of 50
Due to whose presence lime water turns milky when kept in air?
- Acarbon dioxide
- Bnitrogen
- Coxygen
- Dsulfur dioxide
Question 24 of 50
Which of the following substances is not an allotrope of carbon?
- ADiamond
- BGraphene
- Cfly ash
- DFullerene
Question 25 of 50
Carbon dioxide is called 'greenhouse gas' because it-
- Aabsorbed by green plants
- BAllows sunlight to reach the Earth, but does not allow heat to escape
- Cemitted by green plants
- DAllows heat to enter but does not allow sunlight to escape
Question 26 of 50
Sugar is scorched when concentrated sulfuric acid is poured on it. In this process, the sugar
- AOxidation occurs.
- Bdegradation takes place
- CDehydration occurs.
- DSulfonation takes place.
Question 27 of 50
What happens in water that it is called 'heavy water'?
- Aheavy isotope of hydrogen
- Bheavy isotope of oxygen
- Catomic number of hydrogen atoms
- Dmolecular number of oxygen atoms
Question 28 of 50
Which of the following reactions does not result in the release of hydrogen gas?
- AReaction of zinc metal with dilute sulphuric acid solution
- BOn mixing water with plaster of Paris
- CWhen zinc metal is heated with sodium hydroxide solution
- DReaction of potassium metal with water
Question 29 of 50
It is used to restore the colours of old oil paintings.
- Asulfuric acid
- Boxalic acid
- Chydrogen peroxide
- Dheavy water
Question 30 of 50
Who among the following discovered heavy water?
- AHeinrich Hertz
- BH. C. Ure
- CJoseph Priestley
- DG. Mendel
Question 31 of 50
When salt is added to water, the boiling and freezing points of water increase.
- Awill increase
- Bwill decrease
- Cwill increase and decrease gradually
- Dwill gradually increase and decrease
Question 32 of 50
Which of the following is a semiconductor?
- Aplastic
- Baluminum
- CWood
- DGermanium
Question 33 of 50
Oxygen and ozone are_
- AAsotros
- BIsotopes
- CIsomers
- Disobars
Question 34 of 50
The ratio of hydrogen and oxygen in water by volume is ____
- A0.047222222222222
- B0.084027777777778
- C0.043055555555556
- D0.33402777777778
Question 35 of 50
Used in bleaching hair
- ASulfuric good
- Boxalic acid
- Chydrogen peroxide
- Dheavy water
Question 36 of 50
About 70% of the Sun is made up of which of the following?
- Ahelium
- BCarbon
- Coxygen
- Dhydrogen
Question 37 of 50
Which inert gas can form compounds?
- Ahelium
- BGeneon
- CKrypton
- DOrgan
Question 38 of 50
Potato chips are made in plastic bags.
- ANitrogen in the atmosphere
- Bin a hydrogen atmosphere
- Coxygen in the atmosphere
- DIodine in the environment
Question 39 of 50
If there is no carbon dioxide in the earth's atmosphere, then the temperature of the earth's surface will be_
- Adepends on the amount of oxygen in the atmosphere
- Bwill exceed the current
- Cwill be less than the current
- Dwill remain the same
Question 40 of 50
Which of the following forms is an allotrope of Chiminster fullerene?
- APhosphorus
- BIron
- CCarbon
- DBoron
Question 41 of 50
The enemy element of copper is_
- ASulphur
- BCarbon
- Chydrogen
- Dnitrogen
Question 42 of 50
small sachet filled with silica gel is often found in bottles of tablets or powdered medicine because silica gel_
- ADestroys bacteria.
- BDestroys germs and bacteria.
- CIt absorbs all the gases present in the bottle.
- DAbsorbs moisture
Question 43 of 50
The non-metal found in liquid state is-
- Abromine
- Bnitrogen
- CFluorine
- Dchlorine
Question 44 of 50
The molecular formula of phosphorus is_
- AP¹
- BP²
- CP³
- DP⁴
Question 45 of 50
Select the correct answer from the codes given below_
- A1, 3 and 4
- B2.3 and 4
- C1, 2 and 3
- D1, 2, 3 and 4
Question 46 of 50
Tritium is an isotope of what?
- Aoxygen
- Bhydrogen
- CPhosphorus
- Dnitrogen
Question 47 of 50
Which one of the following is not an example of an allotrope?
- ADiamond
- Bgraphite
- Cozone
- DSteel
Question 48 of 50
What is the pure form of carbon?
- ADiamond
- Bgraphite
- CCharcoal
- DFullerene
Question 49 of 50
Which of the following helps in burning?
- Aoxygen
- Bcarbon monoxide
- Cnitrogen
- Dcarbon dioxide
Question 50 of 50
Protium, deuterium and tritium are naturally occurring isotopes of ..............
- Ahydrogen
- Bnitrogen
- CCarbon
- DGold