WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.

1 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall

1 Answers   SSC,

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The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these

1 Answers  

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Which country has no sunrise?

0 Answers   AeroNorm,

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An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons

1 Answers  

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Soda water contains 1 Nitrous acid 2 Carbonic acid 3 Carbon dioxide 4 Sulphuric acid

3 Answers   PNRD, RRB,

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Find the odd one: 1 Marble 2 Chalk 3 Limestone 4 Slaked lime

2 Answers  

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A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation

4 Answers   SSC,

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infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus

2 Answers  

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what is the force that helping the earth to revolve by its own.

2 Answers  

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What is the life cycle ?

1 Answers  

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