Which of the following is a chemical change? 1 Magnetization of iron 2 Melting of ice 3 Burning of sulphur 4 Melting of wax

1 Answers  

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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

2 Answers  

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The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold

13 Answers   FCI, University of Ilorin,

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Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these

1 Answers  

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A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation

3 Answers   CISF,

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In which year was the meteorology department founded?

0 Answers  

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

2 Answers  

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Study Of Life in outer space is known As

5 Answers  

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How many astronauts travelled in the challenger?

0 Answers  

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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

3 Answers  

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Explain the role of Science for sustainable Development

0 Answers   Mahatma Gandhi University,

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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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