Answer:
The answer is A
Explanation:
Because the x would be smalle than |-40|
Metal because it’s more stronger
Answer: Option (4) is the correct answer.
Explanation:
When sulfuric acid reacts with calcium hydroxide then it results in the formation of calcium sulfate and water.
The chemical reaction for the same will be as follows.

Thus, we can conclude that
salt is produced when sulfuric acid and calcium hydroxide react completely.
mole is the standardized form of molarity
A Campfire is an example, the solid wood becomes ash.