The Chemical formula of Ammonium dichromate is _____.
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The passage of an electric current through a conducting liquid causes ___________.
Which of the following can be beaten and converted into thin sheets?
....... is displaced when zinc is added to the solution of copper sulphate
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Why is Carbon Monoxide a pollutant ?
Which metal is liquid at room temperature?
Mercury is the only metal that remains in liquid at room temperature.
Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?
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