Question

Metalstike esime
A
3. What is
that allows the metals to be drawn into thin wires is called
is a poor conductor of heat.
is the hardest known substance in nature.
is non-metal that is a good conductor of electricity
a shon Ans
1. Caver
a
C Match the following:
Column A
Platinum
2. Sulphur
3. Chlorine
4. Copper
5. Nitrogen
S
M.
Column B
(a) used for disinfecting water
(b) used to preserve body organs
(c) used in making calorimeters
(d) used in skin ointments
(e) used to make electrodes in electrolytic cells
H. Le
1
ATHEMATICA
INSTRUM
2. We use silver wires for making solar cells.
3. Carbon monoxide is a neutral oxide.
4. Diamond is a bad conductor of heat.
6. Metals are extracted from their ores.
7. Magnesium hydroxide turns red litmus blue.
E. Very Short Answer Questions:
54
Science-8
5. Silver objects turn black due to the formation of a layer of
AND
on their surfaces
D. State whether the following statements are True (T) or False (F). Rewrite the false statement
Elements are substances that can be separated by chemical methods.
5. Hydrogen gas burns in air with a 'pop' sound.
1. What happens when copper vessel is exposed to moist air for a long time?​

Answer 1

Answer:

Longest question

Explanation:

Mark me as brainliest answer