What are the constituents of cements?
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Which element is nether a solid nor a liquid?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
Why does water boil above 100 o C in mines ?
Why is mercuric chloride added?
What is mortar /
Why is ammonium hydroxide added to the brass solution?
What is produced, when carbon is burnt ?
Explain how buffer works?
Which is the best conductor of electricity?
how much tds is ok for drinking water
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What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?