1.a) What do we use in bicycle wheels to reduce friction? How does this help reduce
friction?
(or)
b) What happens when magnesium reacts with steam?
what is answer for this question
Answers
Answered by
1
Answer:
a. we use oil to reduce friction
Answered by
1
Answer:
a. oiling or greasing reduces friction
b. produces white Magnesium oxide and hydrogen gas
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