Question

Q1. Name the metals present in bronze.
Q2. What is galvanization?
Q3. Name the ore of mercury.
04. What is amalgam?
Q5. Show the formation of Mgo.
06. Which property of metal is used in the following case–cable wires, jewellery?
Q7. Give reasons-
(a) Aluminium oxide is amphoteric oxide.
(b) Metals displace hydrogen gas from acids.
08. Complete the following equations and balance them—
Ca + H20-
Al + HCl
19. Differentiate between calcination and roasting.
Q10. Show that for rusting of iron, both air and moisture are required.
Q11. How can you prove that zinc is more reactive than copper?​

Answer 1

Answer:

Q1.In the first picture

Q2.In the second picture

Q3.Cinnabar is the ore of mercury.

Q4.In the third picture

Q5.In the forth picture

Explanation:

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Answer 2

Answer:

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Explanation:

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