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 gases is coloured?
- Aoxygen
- Bchlorine
- Chydrogen
- Dnitrogen
Question 2 of 50
Graphene is ____
- Acarbon alloy
- BNanomodel of carbon
- Cisotope of carbon
- DNone of these
Question 3 of 50
Which of the following elements has the highest electronegativity?
- AIodine
- Bbromine
- CFluorine
- Dchlorine
Question 4 of 50
Artificial diamond is known as-
- Asilicon tetrachloride
- Bsodium silicate
- Csilicon hydride
- Dsilicon carbide
Question 5 of 50
Which of the following statements is not correct?
- ABuckminsterfullerene is an allotrope of carbon
- BDiamond is a good conductor of electricity
- Cgraphite is a good conductor of electricity
- DEach carbon atom in graphite is bonded to three other carbon atoms.
Question 6 of 50
Which one of the following is not a monatomic element?
- ACopper
- Bsodium
- CIodine
- DBarium
Question 7 of 50
Sea water contains more salt than rain water because _____.
- ARivers bring salts with them.
- BThere are salt rocks inside the sea.
- CThe atmosphere around the sea is salty.
- DAnimals living in the sea produce salt.
Question 8 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 9 of 50
Carborundum is another name for which of the following?
- Acalcium carbide
- Bcalcium oxide
- Csilicon carbide
- Dsilicon oxide
Question 10 of 50
Due to whose presence lime water turns milky when kept in air?
- Acarbon dioxide
- Bnitrogen
- Coxygen
- Dsulfur dioxide
Question 11 of 50
Which gas in the atmosphere absorbs ultraviolet rays?
- Aozone
- Bmethane
- Cnitrogen
- Dhelium
Question 12 of 50
Which one of the following is not a nitrogenous fertilizer?
- Aammonium sulphate
- BUrea
- Cammonium nitrate
- DSuper Phosphate
Question 13 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 14 of 50
What is the approximate percentage of oxygen in the air?
- A0.21
- B1
- C0.01
- D0.78
Question 15 of 50
What is the process of improving the quality of rubber by heating it with sulphur called?
- Anitrous oxide
- BChlorofluorocarbons
- Ccarbon dioxide
- Dcarbon monoxide
Question 16 of 50
Which of the following is not a good conductor of electricity?
- Agraphite
- Bbromine
- Ccopper
- Dsilver
Question 17 of 50
The common type of coal is—
- AAnthracite
- BLignite
- Cbituminous
- Dpeat
Question 18 of 50
The smoke emanating from ammonium chloride powder used for cleaning hot utensils while tinning brass utensils is—
- Aof ammonia
- Bof carbon monoxide
- Cof hydrochloric acid
- Dof ammonia and hydrochloric acid
Question 19 of 50
Which of the following is generally called the 'fuel of the future'?
- Ahydrogen
- Bmethane
- Cnatural gas
- DEthanol
Question 20 of 50
Which of the following substances destroys the ozone layer?
- ASilicon
- BSulphur
- CCarbon
- Dchlorine
Question 21 of 50
It is not advisable to sleep under a tree at night, because then it will cause ___
- Acarbon dioxide is released
- Bcarbon monoxide is released
- CLess oxygen is released
- Dmore oxygen is released
Question 22 of 50
What is the reason for the higher boiling point of water compared to hydrogen sulphide or hydrogen chloride?
- Apolar covalent bonding
- Bhydrogen bonding
- CWonderwalls Attractions
- DBipolar insulation
Question 23 of 50
The outermost orbit of an atom of an inert gas is ____
- Ahas one electron
- Bhas two electrons
- Cis completed
- Dhas 8 electrons.
Question 24 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 25 of 50
Which of the following is an inert gas commonly found in light bulbs?
- AArgon
- BRadon
- Coxygen
- Dhydrogen
Question 26 of 50
In flash bulbs, magnesium wire is kept in whose atmosphere?
- Ahydrogen
- Boxygen
- Cozone
- Dnitrogen
Question 27 of 50
In which acid does gold dissolve?
- Ain nitric acid
- Bin hydrochloric acid
- Cin sulfuric acid
- DIn Amtrak
Question 28 of 50
All acids react with metals to produce........ gas.
- Anitrogen
- Bhydrogen
- Ccarbon dioxide
- Doxygen
Question 29 of 50
The molecular formula of phosphorus is_
- AP¹
- BP²
- CP³
- DP⁴
Question 30 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 31 of 50
Which of the following gases turns into liquid at the lowest temperature?
- Ahydrogen
- Boxygen
- Chelium
- Dnitrogen
Question 32 of 50
Which of the following causes acid rain in industrial areas?
- ACO²
- BCO
- CCH⁴
- DSO²
Question 33 of 50
Passing hydrogen sulphide gas through an acidic solution of potassium dichloride gives it a horse colour.
- Apink
- BGreen
- CBlue
- Dorange
Question 34 of 50
What is produced on an industrial scale by the 'Haber method'?
- Asulfuric acid
- Bnitric acid
- Cammonia
- Dsodium carbonate
Question 35 of 50
Carbon or graphite rods are used as moderators in nuclear reactors to sustain nuclear chain reactions through nuclear fission. In this process ____
- ANeutrons are produced quickly
- BProtons are formed quickly
- CNeutrons are produced slowly
- DProtons are formed slowly.
Question 36 of 50
The main gaseous pollutant of thermal power station is ____
- AH²S
- BNH³
- CNO³
- DSO²
Question 37 of 50
Carbon dioxide gas reacts with water to form ______.
- Acarbolic acid
- Bcarbonic acid
- Ccarbomic acid
- Dsulfurous acid
Question 38 of 50
The valency of phosphorus is-
- A2,3
- B3.4
- C4.5
- D3.5
Question 39 of 50
Which of the following is a basic element?
- ASand
- BDiamond
- Cmarble
- DSugar
Question 40 of 50
Which of the following elements has the highest tendency to attract electrons?
- AIron
- BSulphur
- CFluorine
- DBoron
Question 41 of 50
The element used to vulcanize wood is ____
- ASulphur
- Bbromine
- CSilicon
- DPhosphorus
Question 42 of 50
Which of the following is not a semiconductor?
- ASilicon
- BKrypton
- CSelenium
- DGermanium
Question 43 of 50
Heavy water is a type of_
- Acoolant is
- Bis dim
- Core is
- Dfuel is
Question 44 of 50
Non-metals are generally bad conductors of electricity, but graphite is a good conductor of electricity because_
- AIt is a carbon model
- BIt has loose electrons
- CIt is brittle
- DIt forms primary oxides
Question 45 of 50
Which of the following gases is present in soft drinks under pressure?
- ACO²
- BCO
- CN²O
- DN²
Question 46 of 50
Who discovered helium?
- AHenry Cavendish
- BLocair
- CSheele and Priestley
- DBerzelius
Question 47 of 50
The chemical formula of water is_
- AC²
- BCo²
- CH²O
- DCH⁴
Question 48 of 50
The gas which burns with a blue flame is ____
- Ahydrogen
- Bnitrogen
- Ccarbon monoxide
- Dcarbon dioxide
Question 49 of 50
Which of the following is not a greenhouse gas?
- Amethane
- Bnitrous oxide
- Cchlorofluorocarbon
- Dhydrogen
Question 50 of 50
The discoverer of nitrogen is-
- AChadwick
- BRutherford
- CRobert Brown
- DNewton