ICSE Class 10 Chemistry 2013 Solved Paper
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From the list given below, select the word(s) required to correctly complete blanks (i) to (v) in the following passage. The words from the list are to be used only once. Write the answers as (a) (i), (ii), (iii) and so on. Do not copy the passage.
[ammonia, ammonium, carbonate, carbon dioxide, hydrogen, hydronium, hydroxide, precipitate, salt water]:
SECTION - I
From the list given below, select the word(s) required to correctly complete blanks (i) to (v) in the following passage. The words from the list are to be used only once. Write the answers as (a) (i), (ii), (iii) and so on. Do not copy the passage.
[ammonia, ammonium, carbonate, carbon dioxide, hydrogen, hydronium, hydroxide, precipitate, salt water]:
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Question : 1
Total: 84
A solution M turns blue litmus red, so it must contain (i)........... ions; another solution O
Solution:
(i) Hydronium
(ii) Hydroxide
(ii) Hydroxide
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