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Chemistry, 31.12.2020 06:50 ani61

09:10 .l . KS ?
PT/02/2020 - Science
04
Which of the following substance can 0.5
be used to test hardness of water.?
A. Detergent
B. Soap solution
C. Ethanol solution
D. Ether
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09:10 .l . KS ?
PT/02/2020 - Science
04
Which of the following substance can 0.5

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