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List i List ii
1. NaNO3 a. Baking soda
2. KNO3 b. Chile salt peter
3. NaHCO3 c. Indian Salt peter
4. Na2CO3.10H2O d. Washing soda
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1 2 3 4
A. a b c d
B. b c a d
C. c a b d
D. d a b c
Ans : B
Sol; Fact absed