assertion: when we blow into a test tube containing lime water it turns milky.
reason: it shows the presence of co2 in exhaled air
a. both are correct and r is correct explanation
b. both are correct but r is not correct explanation
c. a is true r is false
d. a is false r is true
Answers
Answered by
0
Answer:
b
Explanation:
lime stone react with CO2 gives calcium carbonate it's colour is white
Answered by
0
Answer:
option a is correct
Explanation:
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