Potassium nitrate is used in
1 Salt
2 Glass
3 Fertilizer
4 Medicine
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An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
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Heavy water is 1 Sea water (H2O+Salt) 2 D2O 3 H2O2 4 None of these
What is the microbiology ?
Why is ice wrapped in gunny sacks to prevent it from melting
What is one light year?
Which is india’s largest nuclear research reactor?
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power
Give two National aims of science education
0 Answers Mahatma Gandhi University,
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine