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(3) Phosgene

Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these

2 Answers  

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List and explain two instances of Correlation Science with Life Situation

0 Answers   Mahatma Gandhi University,

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The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these

1 Answers  

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain

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‘No two electrons in an atom can have the same set of four quantum numbers’ is 1 Bohr’s law 2 Aufbau principle 3 Newton’s law 4 Pauli’s exclusion principle

1 Answers   Pipe Corporation,

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PVC is obtained by the polymerization of 1 Propene 2 Vinyl chloride 3 Styrene 4 Acetylene

2 Answers  

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Why Colours is Important in Our Daily Life???

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the colour of a star is an indication of its?

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is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?

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In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration

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What is length and weight of arihant?

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