What is the chemical composition of diamond ?
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What are the uses of Alloy ?
How is wood charcoal manufactured ?
When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?
Is water element or compound ?
Why does a ball bounce ?
What is the difference between volumetric solutions and test solutions
What is the difference between caustic soda and washing soda ?
Define Vulcanization?
What is the reaction that occurs during the titration?
What is Acidity of a base ?
who invented the first projector?
How many electrons does benzene have?