Question Text
Question 6 :
What is the colour of the $CaCO_3$ precipitate formed when carbon dioxide is passed through lime water?
Question 7 :
What is the term given to mixing of water and acid/base compound
Question 8 :
A solution turns red litmus blue, its pH is likely to be
Question 9 :
What is the colour of copper sulphate crystals when water of crystallisation is removed?
Question 10 :
Quick lime, slaked lime or chalk are all alkaline substances so these would be added to the soil by the farmer when the soil is highly acidic.
