Question

1"How ...rice is there?""Not...."
2."How ...potatoes are there?""Not...."
3."How ...biscuis are there?""Not...."
4."How ...milk is there?""Not...."
"How ...apples are there?""Not...."\

Answer 1

Much употребляется с неисчисляемыми существительными, а many - с исчисляемыми.
1. How much rice is there? - Not much.
2. How many potatoes are there? - Not many.
3. How many biscuits are there? - Not many.
4. How much milk is there? - Not much.
5. How many apples are there? - Not many.