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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon
SSC,
2 7886Water 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 9504The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element
1 3593Potassium 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 10038Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these
1 9738The 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 5979When 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 8221Water 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 5347Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
1 3820Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
5 10261The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 10218
What is reverberation?
What is the difference between optical zoom, digital zoom and smart zoom?
How reduce acorn production?
What is type IV hypersensitivity?
What and where are the specialised treatments of ayurveda available in the state?
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
Is Neosporin affected on Streptococcus.auerus?
i have rejected once for the reason that why am i not applied for master. as i am already post graduate and i have got i20 for the degree course which is very helpful in my professional career. what should be the best ans to resolve it.
Explain about needleman-wunsch algorithm?
why is mgcl used in edta titration
Which medication would be most effective in reversing the effect of narcotics on the neonate?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
What are the characteristics of black body? : quantum physics
Explain how old is the earth?
