Question Text
Question 3 :
Why does the milkman shifts the pH of the fresh milk from 6 to slightly alkaline when he adds a very small amount of baking soda to fresh milk?
Question 5 :
Which of the following is a correct representation of hydroxide ions?
Question 6 :
What happens when granulated zinc metal reacts with sodium hydroxide solution?
Question 8 :
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9 respectively. Which solution is strongly acidic?
Question 9 :
What is the range in which a compound is said to be basic?
Question 10 :
What happens to the copper oxide solution when dilute HCl dissolves in it?
