Home » Chemistry mcqs » The ppm is one part of calcium carbonate equivalent hardness is present in __________ of waterThe ppm is one part of calcium carbonate equivalent hardness is present in __________ of water by a) One b) One million c) One billion d) One trillion Related Posts:Which of the following is not present in mitochondria?How many spiracles are present in cockroach_____________?Only myosine is present in_____________?Which system is present in nematodes?Deoxygenated blood first enters in _________ part in fishes?The part of chloroplast where CO2 is fixed to…
