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Subjects
Science CBSE
Class 10
Carbon and its compound
Textbook based HOTS
23.
Multiple Choice Question Answer XXIII
Exercise condition:
3
m.
1.
Which of the following salts when dissolved in water produce hard water?
2.
What salts are present in soft water?
3.
Which of the following has the shortest carbon-carbon bond length?
Answer variants:
Sodium
Sodium hydroxide
\(C_2H_2\)
Magnesium bicarbonate
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