Why is starch indicator added towards the end point?
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Which is the main constituent in air ?
Distinguish between lime water and milk of lime ?
What is the min constitutes of haematite ore?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
What is phase transfer catalyst?
At what temperature does mercury freeze ?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
Explain the Charle?s law ?
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Write the equation of photosynthesis?
what is the formula of diesel,petrol & CNG too?
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