Which of the following elements has the lowest melting point?
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The passage of an electric current through a conducting liquid causes ___________.
Which of the following statement is CORRECT?
Haematite is an ore/mineral of
Name the acid present in lemon.
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?
If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?
The reactions in which oxidation and reduction occur simultaneously are called _______.
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