Subject :NSO Class : Class 7
Rachit added a teaspoonful of vinegar and a pinch of
baking soda in a test tube. He heard a hissing sound
and saw bubbles of a gas coming out. He passed this
gas through lime water. Which of the following is
incorrect about his experiment?
A Lime water turns milky.
B The gas evolved was carbon dioxide.
C Sodium hydrogencarbonate is formed which makes
lime water milky.
D Both b and c
Answer is c