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In oven drying method, the soil sample is kept for about ______ hours in the oven.

a) 1
b) 2
c) 24
d) 48

Answer: c
Explanation: For complete drying, sandy soil takes about 4 hours and fat clays take about 14 to 16 hours. To assure complete drying of sample, it is kept for about 24 hours.

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