Chemistry Set 5
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This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Chemistry Set 5
Q1 | The aqueous solution of which among the following acids is called Vinegar?
- Oxalic acid
- Citric acid
- Acetic acid
- Hydrochloric acid
Q2 | Which among the following is the correct decreasing of bioelements in Human Body?
- oxygen, hydrogen, Carbon, nitrogen, calcium, and phosphorus
- oxygen, carbon, nitrogen, hydrogen, calcium, and phosphorus
- oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus
- carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus
Q3 | Which among the following happens in an oxidation reaction ?
- Electrons are gained
- Electrons are lost
- Protons are gained
- Protons are lost
Q4 | Identify the thermosetting plastic from the given options:
- Polythene
- Bakelite
- PVC
- Casseine
Q5 | White Phosphorous is represented by which among the following symbols?
- P1
- P2
- P3
- P4
Q6 | Which among the following is called Laughing Gas popularly?
- Nitric oxide
- Nitrous oxide
- Nitrogen penta oxide
- Nitrogen
Q7 | Identify the non-metallic mineral from the given options:
- Manganese
- Magnesium
- Silica
- Bauxite
Q8 | Which among the following are constituents of Brass?
- Zinc and Copper
- Iron and Zinc
- Copper and Nickel
- Iron and Copper
Q9 | Which among the following acids is abundant in Grapes, Bananas and Tamarind?
- Lactic Acid
- Oxalic Acid
- Salicylic Acid
- Tartaric Acid
Q10 | Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2-3 December 1984?
- Methyl isocyanide
- Methyl isocyanate
- methyl isochloride
- methyl isochlorate
Q11 | In the manufacture of Vanaspati ghee from vegetable oils, which among the following gasis used?
- N2
- CO2
- H2
- Ne
Q12 | When a tubelight breaks, a cracking sound is produced because ____?
- Pressure inside the lamp is less than atmospheric pressure
- Pressure inside the lamp is more than atmospheric pressure
- The lamp is filled with reactive gases
- The lamp is filled with mercury vapour
Q13 | Which among the following is the objective of the Methyl tert-butyl ether (MTBE) mixingwith Petroleum?
- Raise Octane Number
- Antioxidant Stabilizer
- Lead Scavanger
- Fuel Dye
Q14 | The most important contributor of sea salt is ____?
- Rivers
- Salty Rocks at bottom of sea
- Aquatic animals in Sea
- Atmosphere around sea
Q15 | Which among the following elements are generally find in free state?
- Group 11 elements
- Group 12 elements
- Group 13 elements
- Group 14 elements
Q16 | Which among the following would cause the bright red colur due to bursting of crackers?
- Strontium
- Sodium
- Suphur
- Magnesium
Q17 | Who among the following scientists had discovered Radium?
- Marie Sklodowska-Curie and Pierre Curie
- André-Louis Debierne
- Kasimir Fajans
- Oswald Helmuth Göhring
Q18 | Who among the following had given the Atomic Theory?
- Benzamin Franklin
- Madam curie
- Albert Einstien
- John Dalton
Q19 | Which among the following oxides cause the Acid rain ?
- Carbon monoxide and carbon dioxide
- Nitrous oxide and sulphur dioxide
- Carbon dioxide and nitrous oxide
- Sulphur dioxide and carbon monoxide
Q20 | Which among the following element is an essential constituent of acids?
- Nitrogen
- Hydrogen
- Helium
- Oxygen
Q21 | Highest percentage of nitrogen is found in which among the following fertilizers among thegiven options?
- Calcium ammonium nitrate
- Ammonium nitrate
- Calcium nitrate
- Urea
Q22 | Which among the following is popularly called Hypo?
- Silver bromide
- Silver nitrate
- Sodium thiosulphate
- Sodium phosphate
Q23 | Which among the following is a Noble Gas?
- Nitrogen
- Hydrogen
- Oxygen
- Helium
Q24 | Which of the following is an anti-knocking compound that has been phased out in manycountries so far?
- Lead tetrachloride
- Tetra Ethyl Lead
- Ethyl acetate
- None of the above
Q25 | Which among the following is the main constituent of Biogas?
- Methane
- Ethane
- Propane
- Butane