Question

please find this problem...... fast

Answer 1

Question no.13

Solution

A)chlorine

B)MgO or KMnO

C)H2S- hydrogen sulphide

D)hydrogen gas or hydrogen peroxide

E)peroxide

Answer 2

12.)a.)Liquid nitrogen/liquid hydrogen is used as fuel for rocket propulsion.
b.)All metals react with acid to give insoluble salt and hydrogen gas(H2)
c.)Electrovalent compounds absorb hydrogen.
d.)The reactants between hydrogen and oxygen is exothermic.
e.)Conc.H2SO4 reacts with zinc to give zinc sulphate sulphur dioxide gas and water vapour.
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