Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of ice- creams and jellies?
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Which among the following is false about viscosity?
Which of the following can be beaten and converted into thin sheets?
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?
Which metal is liquid at room temperature?
Mercury is the only metal that remains in liquid at room temperature.
The passage of an electric current through a conducting liquid causes ___________.
....... is displaced when zinc is added to the solution of copper sulphate
Which one of the following is an insulator?
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