How is arsenic produced?
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What is kentchin? Is it real?
What is hydrolysis ?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?
What is the chemical formula of alum?
Can a molecule be divided ?
what is the formula of petrol
What is the effect of the flashes of lightning during a thunderstorm ?
What happens when the excess of stannous chloride is not removed
Why is it more efficient for a labourer to raise bricks up to a brick layer by the use of a rope and pully than by carrying them up a ladder ?
What is the basicity/acidity of na2co3
What is Distillation ?
Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change