Question

Metal react with add to produce
gas.
**. copper Wire.
6. When a strip of iron is kept for a
long time in moist air, a layer of
which colour is deposited ?
(a) Green colour (6) Red colour
(c) Ash like colour (d) None of these
Ans. (6) Red colour
7. The nature of aluminium oxide is :
(a) Acidic
(6) Basic
Q. 3. Name the most du
Ans. Silver
Q. 4. Name the metal
the liquid state.
Ans. Mercury.
Q. 5. Name one metal
conductor of electricity.
Ans. Lead.
Q. 6. Which metal
thermometer ?
Ans. Mercury​

Answer 1

Answer:

Red colour,silver, Mercury,lead.