Which gas is used in refrigeration plants ?
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If you are given two liquids, which look like water, how can you, by two physical tests, prove which one of them may be water ?
What will happen when a big piece of quick lime is dropped in water ?
Which element is liquid at ordinary temperature ?
What is the reaction that occurs between iodine and sodium thiosulphate?
Why does a piece of iron float on mercury, but sink in water ?
What is difference between LVT and RVT Viscometer?
What is the basicity/acidity of na2co3
Why are some wires covered with insulating materials ?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
What important property of water makes it possible for plants to grow under it and for animals to live it ?
What is the resulting solution when benzene and toluene are mixed ?
What is the reaction that occurs during the titration?