Chemistry Set 6
On This Page
This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Chemistry Set 6
Q1 | Which among the following methods can be used to remove the permanent hardness inwater due to calcium or magnesium sulphates?
- Sulphonate method
- Nitrate method
- Zeolite method
- None of the above
Q2 | The free electrons are in the __________?
- Outermost orbit of the metals
- Innermost orbit of the metals
- Middle orbits of the metals
- Any orbit of the metals
Q3 | Which of the following type of Coal, has maximum carbon content?
- Peat
- Lignite
- Antharacite
- Bituminious
Q4 | What is the common name of Calcium Sulphate Hemihydrate?
- Bleaching powder
- Slaked lime
- Plaster of paris
- Detergent
Q5 | Which among following is also known as white gold?
- Nickel
- Rhodium
- Platinum
- Palladium
Q6 | Which acid is described as HOOCCOOH?
- Oxalic Acid
- Acetic Acid
- Carbonic Acid
- Citric Acid
Q7 | Carnotite is a mineral of which among the following metals?
- Lead
- Uranium
- Aluminium
- Iron
Q8 | PVC is a polymer of ?
- Propane
- Vinyl chloride
- Styrene
- Carbonates
Q9 | When Sulphur is heated with rubber, the process is commonly known as ?
- Galvanization
- Sulphonation
- Vulcanization
- Hydrodesulfurization
Q10 | Which among the following chemicals is used in Photography?
- Silver Bromide
- Potassium Chloride
- Sodium Bromide
- Magnesium Chloride
Q11 | Which among the following is major component of Gobar Gas?
- Butane
- Ethane
- Propane
- Metahne
Q12 | Which among the following is a common salt in Detergents?
- Sulphate
- Nitrate
- Sulphonate
- Carbonate
Q13 | Potassium permanganate is used to purify water. Which among the following properties ofPotassium permanganate helps in this work?
- sterilizing
- oxidizing
- reducing
- leaching
Q14 | What happens to the weight of Iron, when it rusts?
- Increases for long time
- Decreases then increases
- Increases then decreases
- Remains the same
Q15 | Lightest and most abundant chemical element, constituting roughly 75 % of the Universe‘selemental mass.
- Carbon
- Aluminium
- Bauxite
- Hydrogen
Q16 | A cotton wick dipped in pure honey when ignited with a matchstick will ______?
- Burn Consistently
- Burn with cracking sound
- Does not burn at all
- Burns with too much smoke
Q17 | The easily noticed smell of the LPG gas is because of which among the following?
- Butane
- Propane
- Methane
- Ethanethiol
Q18 | Which compound of mercury is used as antiseptic?
- Mercuric sulphide
- Mercuric oxide
- Mercuric chloride
- Mercuric iodide
Q19 | Speed of sound is maximum in which among the following?
- Solids
- liquids
- Gases
- Vaccum
Q20 | Which among the following metal is highest electrical conductivity as well as highestthermal conductivity?
- Gold
- Silver
- Platinum
- Iron
Q21 | Calamine is an ore of which among the following?
- Zinc
- Copper
- Mercury
- Iron
Q22 | Trimethylxanthine is a chemical name of a stimulant which is found in tea and coffee.What is the popular name?
- Thein
- Caffeine
- Theobromine
- Theophylline
Q23 | The popular drug ?Acetylsalicylic Acid? is commonly known by which among the followingnames?
- Paracetamol
- Aspirin
- Salsalate
- Wintergreen
Q24 | What are the main constituents of LPG?
- Methane, Hexane, Ethane
- Methane, Butane, Propane
- Ethane, Pentane, Hexane
- Ethane, Methane, Pentane
Q25 | Which among the following is known as White Vitriol?
- Zinc Sulphate
- Zinc Chloride
- Zinc Phosphate
- Zinc oxide