Chemistry Set 1
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This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Chemistry Set 1
Q1 | When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to which of the following?
- Carbon Dioxide
- Water Vapour
Q2 | Which among the following acid is used to ascertain, whether pure Ghee has beenadulterated with Vanaspati or Margarine?
- Sulphuric Acid
- Nitric Acid
- Hydrochloric Acid
- Boric Acid
Q3 | Mizoroki-Heck reaction is catalyzed by which of the following metals?
Q4 | Which among the following is used in preparing windows for X-Ray Tubes ?
Q5 | Which among the following first increases than decreases in a Period of a periodic table?
- metallic property
- Chemical Reactiveness
- Electron affinity
Q6 | Which among the following were not discovered by the time , Mendeleev published hisperiodic table?
- Noble Gases
Q7 | Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?
Q8 | Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?
- Tetra oxygen
- None of them
Q9 | Buckeyballs are basically the allotropes of _________?
Q10 | What is the number of synthetic elements in periodic Table?
Q11 | Kimberley Process? is related to which among the following ?
- Semi Precious Stones
Q12 | Which among the following protein is responsible for maintenance of osmotic pressure?
- Beta macroglobulin
- Gamma globulin
Q13 | Pearl is mainly made up of which among the following?
- Calcium Carbonate
- Sodium Carbonate
Q14 | As we all know that, Gunpowder is a mixture of sulfur, charcoal, and potassium nitrate. Which among these components adds in speeding up the burning of the Gun Powder?
- Only Potassium Nitrate
- Only Charcoal
- Only Sulphur
- Both Sulphur and Potassium Nitrate
Q15 | Normal? rainfall is slightly acidic (and a pH of 5.6 has been assigned which might be somewhere near 5 ) because of the presence of _______?
- Nitric Oxide
- Sulphuric Acid
- Nitric Acid
- Carbonic Acid
Q16 | Which among the following is not correctly matched?
- Brass: copper and zinc
- Duralumin : Copper and aluminum
- Constantan: Copper and Nickel
- White Gold- Gold and Silver
Q17 | Bring out the incorrect usage
- Heavy water – Moderator
- DDT – Insecticide
- Methyl Alcohol – Beverage
- Liquid Ammonia – Refrigerant
Q18 | What is Carbamide?
- A Pesticide
- A Fertilizer
- A Textile Dye
- An Explosive
Q19 | Which among the following is the main constituent of vegetable oil and animal fats?
Q20 | Which among the following can be used as a preservative in Tomato Juice?
- Sodium Chloride
- Sodium carbonate
- Sodium benzoate
- Sodium Lauril Sulphate
Q21 | Which among the following gas has lowest auto-ignition temperature?
- Carbon Di Sulphide
Q22 | Which among the following is the most stable form of carbon under standard conditions?
- Amorphous carbon
Q23 | Which among the following statement is correct?
- Both Melting point & Boiling Point of Heavy water are higher than normal water
- Both Melting point & Boiling Point of Heavy water are lower than normal water
- Melting point is higher and Boiling Point is lower than normal water
- Melting point is lower and Boiling Point is higher than normal water
Q24 | Which among the following gives hissing sound when dissolved into H2O?
Q25 | What is the number of naturally occurring Halogens in the periodic table?