eeeengineering
eeeengineering
Electrical And Electronics
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eeeengineering · 4 years ago
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Answered: In the electroplating of gold, the electrolyte used is (1) Gold chloride (2) Gold nitrate (3) Gold sulphate (4) Potassium aurocyanide
Gold sulphate source https://askoranswerme.com/34907/electroplating-electrolyte-chloride-potassium-aurocyanide?show=34908#a34908
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eeeengineering · 4 years ago
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Answered: Which one of the following elements is least likely to be found in commercial fertilisers? (1) Nitrogen (2) Phosphorous (3) Potassium (4) Silicon
Silicon source https://askoranswerme.com/34905/following-commercial-fertilisers-phosphorous-potassium?show=34906#a34906
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eeeengineering · 4 years ago
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Answered: Which of the following is a super-cooled liquid? (1) Ice-cream (2) Ammonia (3) Glass (4) Wood
Glass source https://askoranswerme.com/34903/which-following-super-cooled-liquid-cream-ammonia-glass-wood?show=34904#a34904
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eeeengineering · 4 years ago
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Answered: When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them
Carbon dioxide source https://askoranswerme.com/34901/dropped-effervescence-because-evolved-hydrogen-carbon-dioxide?show=34902#a34902
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eeeengineering · 4 years ago
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Answered: Quartz is a crystalline form of (1) Alumina (2) Glass (3) Silica (4) Limestone
Silica source https://askoranswerme.com/34899/quartz-is-crystalline-form-alumina-glass-silica-limestone?show=34900#a34900
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eeeengineering · 4 years ago
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Answered: The material used in solar cells contains (1) Tin (2) Silicon (3) Caesium (4) Thallium
Silicon source https://askoranswerme.com/34897/material-used-solar-cells-contains-silicon-caesium-thallium?show=34898#a34898
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eeeengineering · 4 years ago
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Answered: The main source of Naphthalene is (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel
Coal-tar source https://askoranswerme.com/34895/the-main-source-naphthalene-charcoal-camphor-coal-tar-diesel?show=34896#a34896
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eeeengineering · 4 years ago
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Answered: The element used in the manufacture of safety matches is (1) Phosphorous (2) Magnesium (3) Silicon (4) Sulphur
Phosphorous source https://askoranswerme.com/34893/element-manufacture-phosphorous-magnesium-silicon-sulphur?show=34894#a34894
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eeeengineering · 4 years ago
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Answered: Among the following the hardest metal is (1) Gold (2) Iron (3) Platinum (4) Tungsten
Tungsten source https://askoranswerme.com/34891/among-following-hardest-metal-gold-iron-platinum-tungsten?show=34892#a34892
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eeeengineering · 4 years ago
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Answered: Which halide is used in making sensitive emulsion on photograhic film? (1) Sodium chloride (2) Silver bromide (3) Silver iodide (4) Silver chloride
 Silver bromide  source https://askoranswerme.com/34889/sensitive-emulsion-photograhic-chloride-bromide-chloride?show=34890#a34890
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eeeengineering · 4 years ago
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Answered: Gold dissolves in (1) Hydrochloric acid (2) Nitric acid (3) Aqua-regia (4) Acetic acid
Aqua-regia source https://askoranswerme.com/34887/gold-dissolves-hydrochloric-acid-nitric-acid-regia-acetic?show=34888#a34888
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eeeengineering · 4 years ago
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Answered: The Fungus which is used in the alcohol industry is (1) Mushroom (2) Candida Aibicans (3) Yeast (4) Rhizopus
Yeast source https://askoranswerme.com/34885/fungus-alcohol-industry-mushroom-candida-aibicans-rhizopus?show=34886#a34886
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eeeengineering · 4 years ago
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Answered: An example of major air pollutant is (1) Oxygen (2) Carbon monoxide (3) Helium (4) Carbon dioxide
Carbon monoxide source https://askoranswerme.com/34883/example-pollutant-oxygen-carbon-monoxide-helium-carbon-dioxide?show=34884#a34884
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eeeengineering · 4 years ago
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Answered: An inert gas mixed with oxygen given to patients suffering from restricted breathing is (1) Helium (2) Krypton (3) Radon (4) Argon
Helium source https://askoranswerme.com/34881/oxygen-patients-suffering-restricted-breathing-helium-krypton?show=34882#a34882
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eeeengineering · 4 years ago
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Answered: Which one of the following is used for dating very old objects of archaeological importance? (1) Phosphorus-31 (2) Tritium (3) Radium (4) Carbon-14
Carbon-14 source https://askoranswerme.com/34813/following-objects-archaeological-importance-phosphorus?show=34814#a34814
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eeeengineering · 4 years ago
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Answered: The gas which is mainly responsible for the green house effect is: (1) Ozone (2) Oxygen (3) Carbon dioxide (4) Carbon monoxide
Carbon dioxide source https://askoranswerme.com/34811/mainly-responsible-effect-carbon-dioxide-carbon-monoxide?show=34812#a34812
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eeeengineering · 4 years ago
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Answered: The charcoal used to decolourise brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal
Animal charcoal source https://askoranswerme.com/34809/charcoal-decolourise-solution-charcoal-charcoal-charcoal?show=34810#a34810
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