Question

state true or false.
b. The composition of solder is 65% copper and 35% zinc.
c. Silver is used in thermometers.
d. Nitrogen is used in the manufacturing of fertilisers.
e. Gold is used to make machine tools because of its low cost
and very high strength.​

Answer 1

Answer:

true

false

true

false

Explanation:

Answer 2

Answer:

1. true
2. true false
3. true false true
4. false

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