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 causes acid rain in industrial areas?
- ACO²
- BCO
- CCH⁴
- DSO²
Question 2 of 50
Carbon dating is used to determine the age of:
- Afossil
- BBack
- Crocks
- DNone of these
Question 3 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 4 of 50
What is 'kaya'?
- Asupercooled liquid
- Bcrystalline solid
- Cliquid crystal
- Dnone of these
Question 5 of 50
The explosive compound of nitrogen is_
- ANCI³
- BN² O⁵
- CNH³
- DNP³
Question 6 of 50
Which halogen element combines with xenon to form maximum compounds?
- AFluorine
- Bchlorine
- Cmorphine
- Dbromine
Question 7 of 50
The non-metal found in liquid state is-
- Abromine
- Bnitrogen
- CFluorine
- Dchlorine
Question 8 of 50
Which of the following elements cannot be detected by Lassaigne's test?
- AIodine
- Bchlorine
- CSulphur
- Dchlorine
Question 9 of 50
Which of the following gases is used to purify drinking water?
- Asulfur dioxide
- Bchlorine
- Ccarbon dioxide
- DFluorine
Question 10 of 50
Oxygen and ozone are_
- AAsotros
- BIsotopes
- CIsomers
- Disobars
Question 11 of 50
Permanent hardness in water is due to the presence of
- ASulphates of sodium and potassium
- BSulphates of magnesium and calcium
- Ccarbonates of sodium and magnesium
- Dbicarbonates of magnesium and calcium
Question 12 of 50
In rural areas, water is disinfected by ____.
- Aby sodium chloride
- Bby chlorine
- Cby potassium permanganate
- Dby sodium sulphate
Question 13 of 50
What is the main use of hydrofluoric acid?
- Ain glass etching (acid writing)
- Bas a bleaching agent
- Cas a very strong oxidizing agent
- DIn the preparation of strong organic fluorine compounds
Question 14 of 50
Concentrated sulphuric acid is called—
- AMuriatic acid
- BCaro acid
- Coil of vitriol
- DOleum
Question 15 of 50
Which one of the following is also called 'stranger gas'?
- AOrgan
- BNeon
- CGeneon
- DN²O
Question 16 of 50
The gas used in electric bulb is ____
- Anitrogen
- Bhydrogen
- Coxygen
- Dinert gas
Question 17 of 50
In a common fire extinguisher, carbon dioxide is produced due to the reaction of
- ASodium carbonate and dilute HCI
- BSodium bicarbonate and dilute H²SO⁴
- CLimestone and dilute H²SO⁴
- DMarble Powder and Dilute HCT
Question 18 of 50
White phosphorus reacts with hot and concentrated solution of caustic soda (NaOH) to form—
- AForgene
- BPhosphine
- Cphosphoric acid
- Dphosphorus pentoxide
Question 19 of 50
Hydrofluoric acid is not kept in glass bottles because it reacts with ____.
- Afrom visible light
- Bsodium oxide in glass
- Cglass from aluminum oxide
- Dglass made of silicon dioxide
Question 20 of 50
Which of the following is not a semiconductor?
- ASilicon
- BKrypton
- CSelenium
- DGermanium
Question 21 of 50
The polluting gas emitted from vehicles is mainly ______.
- Acarbon dioxide
- Bcarbon monoxide
- CMarsh gas
- Dnitrogen oxide
Question 22 of 50
How many sulfur atoms join together to form a sulfur ring-like structure?
- A4
- B6
- C6
- D5
Question 23 of 50
What is quartz made of?
- Afrom calcium sulfate
- Bfrom calcium silicate
- Cfrom sodium sulfate
- Dfrom sodium silicate
Question 24 of 50
Tritium is an isotope of what?
- Aoxygen
- Bhydrogen
- CPhosphorus
- Dnitrogen
Question 25 of 50
The common type of coal is—
- AAnthracite
- BLignite
- Cbituminous
- Dpeat
Question 26 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 27 of 50
The property of catenation is strong in ............
- ACarbon
- BSulphur
- CSilicon
- Dnitrogen
Question 28 of 50
Which of the following elements has the highest tendency to attract electrons?
- AIron
- BSulphur
- CFluorine
- DBoron
Question 29 of 50
Inert gases do not react with other elements because_
- Ais an atomic
- BThe size of their atoms is very small
- CIt is not found in large quantities.
- DThey have fully paired permanent shells
Question 30 of 50
Which one of the following is not a nitrogenous fertilizer?
- Aammonium sulphate
- BUrea
- Cammonium nitrate
- DSuper Phosphate
Question 31 of 50
Which of the following statements is not correct about diamond and graphite?
- ADiamond has a tetrahedral structure, while perlite has a hexagonal planar structure
- BDiamond and graphite have different physical and chemical properties.
- CGraphite is a good conductor of electricity, whereas diamond is not.
- DGraphite is soft, but diamond is hard.
Question 32 of 50
Due to whose presence lime water turns milky when kept in air?
- Acarbon dioxide
- Bnitrogen
- Coxygen
- Dsulfur dioxide
Question 33 of 50
What mixtures of gases do divers use for breathing?
- Aoxygen and nitrogen
- Boxygen and hydrogen
- Coxygen and helium
- Doxygen and argon
Question 34 of 50
Noble gases are inert because ____
- ATheir electronic configuration is stable.
- Btheir ionization potential is high
- Cboth of the above
- Dnone of these
Question 35 of 50
Who is credited with discovering inert gases?
- APriestley
- BRaje
- CSheele
- DCavendish
Question 36 of 50
On passing sulphur dioxide gas through acidified potassium dichromate solution, the colour of the solution becomes ____
- AYellow
- BGreen
- CPurple
- Dpink
Question 37 of 50
By mixing yeast in wheat flour and making double roti, it becomes spongy and soft, because_
- AYeast being gentle makes the dough soft
- BThe CO² produced makes the bread spongy
- CYeast breaks down proteins
- DYeast produces acetic acid
Question 38 of 50
What happens when a lead storage battery is charged?
- ASO² is formed
- BLead sulphate is consumed.
- CLead is formed
- DSulfuric acid is consumed.
Question 39 of 50
The three elements that are most commonly used in chemical fertilizers are ____
- ANitrogen, sodium, sulfur
- BNitrogen, Potassium, Phosphor
- CNitrogen, phosphorus, sodium
- DCalcium, sodium, sulfur
Question 40 of 50
Which of the following gases darkens the surface of silver?
- AOzone
- Bhydrogen
- Coxygen
- Dcarbon dioxide
Question 41 of 50
Marshall's acid is known as_
- AH ²SO³
- BH²S²O⁷
- CH²S² O⁸
- DH²SO⁴
Question 42 of 50
Which of the following gases turns into liquid at the lowest temperature?
- Ahydrogen
- Boxygen
- Chelium
- Dnitrogen
Question 43 of 50
The ratio of hydrogen and oxygen in water by volume is ____
- A0.047222222222222
- B0.084027777777778
- C0.043055555555556
- D0.33402777777778
Question 44 of 50
Oleum is_
- Anitric acid
- Bacetic acid
- CCitric acid
- Dfumed sulfuric acid
Question 45 of 50
Oxygen used for artificial respiration in hospitals is ____
- Aoxygen and helium
- BNitrogen and Argon
- COxygen and Argon
- Doxygen and carbon dioxide
Question 46 of 50
Temporary hardness of water is due to the presence of
- Abicarbonates of calcium and magnesium
- BSulphates of calcium and magnesium
- CNitrates of calcium and magnesium
- Dchlorides of calcium and magnesium
Question 47 of 50
Who discovered helium?
- AHenry Cavendish
- BLocair
- CSheele and Priestley
- DBerzelius
Question 48 of 50
Which of the following gases contributes the most to global warming?
- Acarbon dioxide
- Bchlorofluorocarbons
- Cnitrous oxide
- Dmethane
Question 49 of 50
Which of the following options can be classified as a low carbon compound and not as organic?
- Anucleic acids
- BPropane
- Ccyanides
- Dmethane
Question 50 of 50
Which of the following elements forms the most compounds with hydrogen?
- Aoxygen
- Bnitrogen
- CCarbon
- DTin