Question

From the list given below, select the word(s) required to correctly complete the blanks (i) to (iv) in the following passage. The words from the list are to be used only once. Write the answers as (i), (ii), (iii) and so on. Do not copy the passage.

(ammonia, ammonium, carbonate, carbon dioxide, hydrogen, hydronium, hydroxide, precipitated, salt, water)

A solution M turns blue litmus red, so it must contain_____(i)_______ ions; another solution O turns red litmus blue and hence must contain _____(ii)______ ions.
When solution M and O are mixed together, the product will be ____(iii)______ and _ ____(iv)_____.

Answer 1

Answer:

Sry I had copied the passage

Explanation:

A solution M turns blue litmus red, so it must contain (1) Hydronium ions; another solution O turns red litmus blue and hence, must contain (1) Hydroxyl ions. When solutions M and O are mixed together, the products will be (ii) Salt and (iv) Water. If a piece of magnesium was put into a solution M, (v) Hydrogen. gas would be evolved.

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