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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon
SSC,
2 6792Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means
1 8736The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element
1 2883Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
3 8841Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these
1 8987The presence of which of the following salts in water causes corrosion in steam boilers? 1 Sodium chloride 2 Magnesium chloride 3 Calcium bicarbonate 4 Potassium bicarbonate
1 5261When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these
1 7456Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
1 4198Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
1 3115The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 9412
How are fishery catches changing?
Explain why do preserved foods not spoil?
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
What monitoring techniques and equipment do you use to ensure patient safety and maintain physiological stability during surgery?
What is mode?
Is pollution always caused by humans?
How do you convert from pascal to torr?
What are hydrides of boron called?
Explain electrophoresis?
why are measure gas flow " ml " in Gas chromatography
Give an account on bacitracin resistant Strep agalactiae?
What is the difference between Aims & objectives?
Tell me how many moons does jupiter have?
Name the two-immuno diffusion techniques?
Explain the importance of solanaceae?
