What is one light year?

0 Answers  

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Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition

2 Answers  

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What are vitamins ? describe different kinds of vitamins

1 Answers  

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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon

2 Answers   SSC,

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Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these

3 Answers  

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The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite

9 Answers   Germanium, Google, Graphite India, Tungsten,

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Which variety of glass is heat resistant? 1 Hard glass 2 Flint glass 3 Pyrex glass 4 Bottle glass

2 Answers   PDO,

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The Contact Process is involved in the manufacture of 1 Nitric acid 2 Sulphuric acid 3 Ammonia 4 Caustic soda

2 Answers  

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Which of the following alloys is used for making magnets? 1 Duralumin 2 Stainless steel 3 Alnico 4 Magnalium

1 Answers  

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what are the advantages and disadvantages of empirical knowledge?

0 Answers  

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What is used in arihant’s atomic reactor?

0 Answers  

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The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these

1 Answers  

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