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?
- Oxygen
- Carbon Dioxide
- Water Vapour
- Hydrogen
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?
- Rhodium
- Sodium
- Palladium
- Osmium
Q4 | Which among the following is used in preparing windows for X-Ray Tubes ?
- Barium
- Beryllium
- Magnesium
- Calcium
Q5 | Which among the following first increases than decreases in a Period of a periodic table?
- metallic property
- Chemical Reactiveness
- Valency
- Electron affinity
Q6 | Which among the following were not discovered by the time , Mendeleev published hisperiodic table?
- Lathanides
- Actinides
- Noble Gases
- Halogens
Q7 | Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?
- Gallium
- Scandium
- Technitium
- Germanium
Q8 | Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?
- Ozone
- Tetra oxygen
- Octaoxygen
- None of them
Q9 | Buckeyballs are basically the allotropes of _________?
- Carbon
- Sulfur
- Phosphorus
- Calcium
Q10 | What is the number of synthetic elements in periodic Table?
- 18
- 22
- 24
- 26
Q11 | Kimberley Process? is related to which among the following ?
- Gold
- Diamonds
- Semi Precious Stones
- Aluminium
Q12 | Which among the following protein is responsible for maintenance of osmotic pressure?
- Beta macroglobulin
- Gamma globulin
- immunoglobulin
- albumin
Q13 | Pearl is mainly made up of which among the following?
- Protein
- Calcium Carbonate
- Silica
- 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?
- Glycogen
- Triglyceride
- Galactose
- Diglyceride
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?
- Methane
- Hydrogen
- Ethylene
- Carbon Di Sulphide
Q22 | Which among the following is the most stable form of carbon under standard conditions?
- Charcoal
- Graphite
- Diamond
- 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?
- CaCO2
- Ca(OH)2
- CaO
- CaCl2
Q25 | What is the number of naturally occurring Halogens in the periodic table?
- 3
- 4
- 5
- 6