Category: Chemistry
Questions Answers 1 The Nobel Prize in Chemistry, 2019 was awarded for the development of Lithium-ion batteries 2 What […]...
Questions Answers 1 For wheat cultivation which fertilizer is used? Nitrogen 2 Urea is – A nitrogen-containing organic compound […]...
S.R. NO Questions Answers 1 Soap, remove grease by – Emulsification 2 What is detergent? Refining agent 3 Detergents […]...
Questions Answers 1 In fruits and vegetables, the wax emulsion is used for – Extension of storage life 2 […]...
Questions Answers 1 Which fossil fuels is the cleanest fuel? Natural gas 2 What causes maximum indoor chemical pollution? […]...
Questions Answers 1 Mixture which pairs of gases are the cause of occurrence of most of the explosions in […]...
Questions Answers 1 The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by– The […]...
S.R. NO Questions Answers 1 Natural rubber is a polymer of – Isoprene 2 Cellulose and starch both are […]...
Questions Answers 1 Ethyl alcohol is made unfit for drinking by the addition of – Methanol and Pyridine 2 […]...
Questions Answers 1 What is the fundamental element of all organic compounds? Carbon 2 In all bio-compounds the most […]...