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(d) Reddish brown
(b) Blue crystalline salt
(a) Exothermic
(c) A popping sound is produced
Colour of pure copper metal is
(d) Reddish brown
(d) Reddish brown
See lessCopper sulphate is a
(b) Blue crystalline salt
(b) Blue crystalline salt
See lessThe reaction between zinc and dilute sulphuric acid is
(a) Exothermic
(a) Exothermic
See lessWhat happens when a burning match-stick is brought near the test-tube in which zinc and dilute sulphuric acid are put?
(c) A popping sound is produced
(c) A popping sound is produced
See less