Question

Match the pair.
A group
1. Brass
2. Relative density
3. magnesium
4. dry cell

B group
a) Specific gravity
b) Copper & tin
c) Can not be recharged
d) Copper & zink
e) valency two​

Answer 1

Answer:

brass --copper and zink

relative density--specific density

magnesium--valency two

dry cell-- can not be recharged

Explanation:

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