6. Rita performed the following activity in the lab to study the reaction between metals
and base
[3]
1. Prepares a fresh solution of sodium hydroxide in a test tube by dissolving 3-4 pellets
of it in 5 mL of water.
2. Dropped a piece of aluminium foil into it.
3. Brought a burning match stick near the mouth of the test tube.
a) Write the observations made by Rita while performing the activity
b) What do you conclude from this activity?
c) What type of reaction a non metal will have with a base?
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Answered by
1
Answer:
Prepare a fresh solution of sodium hydroxide in a test tube by dissolving 3-4 pellets of it in 5 mL of water. Drop a piece of aluminium foil
Answered by
3
Answer:
(a) Rita will observe the burning matchstick burn off with a pop sound because hydrogen gas is produced in this reaction.
(b) The conclusion is that some metals like aluminium react with bases to produce hydrogen gas.
(c) Reactions of metals with bases are complex.
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