A) Nitrate B) Phosphate C) Sulphate D) Carbonate
A) Phosphate B) Carbonate C) Nitrate D) Sulphate
A) Nitrate B) Sulphate C) Phosphate D) Carbonate
A) Calcium Phosphorus Oxide B) Calcium Sulphate C) Calcium Phosphorus D) Calcium Phosphate
A) Narium Sulphate B) Sodium Sulphate C) Narium Sulphurtetraoxide D) Sodium Sulphurtetraoxide
A) Magnesium Carbonate B) Manganese Carbontrioxide C) Magnesium Carbontrioxide D) Manganese Carbonate
A) +1 B) -1 C) +2 D) -2
A) -1 B) -2 C) +2 D) +1
A) 8 B) 0 C) 2 D) 4
A) 6 B) 0 C) 2 D) 4 |