Answer:
Explanation:
Ions which will be definitely absent -
Ag⁺ , Hg₂⁺ , Pb⁺², because their chlorides are insoluble in water.
Ba⁺² ,Ca⁺² because their carbonates are insoluble in water,
Ions which will be definitely present
Cu⁺² , Pb⁺² . Hg⁺² , Sb⁺³ , Sn⁺² , because their sulphides are insoluble at pH = 8.
For the rest nothing can be said.
It’s the doubles I think not sure let me know if it’s true
Which is an example of a compound? sand, gold, water, or iodine? well, the answer is water, water is a compound.
C and D
surface water is evaporated by the sun and concentrated the ocean salt and oceans are diluted when rivers flow into them
Answer:Carbohydrates improve athletic performance by delaying fatigue and allowing an athlete to compete at higher levels for longer.
Explanation:
