Question

DO THE FOLLOWING PRACTICAL INVISTIGATION ON WATER SAMPES (RAIN WATER,DAM/RIVER WATER,TAP WATER)YOU COLLECTED IN THE AREA WHERE YOU LIVE AND GO TO SCHOOL.PRESENT YOUR RESULTS IN A SCIENTIFIC REPORT WHICH IS PART OF YOUR RESEARCH REPORT.
1 TEST FOR THE FOLLOWING IONS IN WATER SOURCES:
1. HALIDES
2.SULPHATES
3.CARBONATES
4.pH (RAIN WATER,DAM/RIVER WATER,TAP WATER)(USE pH METER/UNIVERSAL INDICATOR)

Answer 1

Answer:

CARBONATES

Because carbonates present in water

Explanation:

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