Question

Q1)Which of the following is a chemical reaction? Freezing liquid Mercury Adding yellow to blue to make green Cutting a piece of paper into two pieces Dropping a sliced orange into a vat of Sodium Hydroxide Filling a balloon with natural air Painting a wall blue A bicycle rusting Ice cream melting Scratching a key across a desk Making a sand castle Q2) Which of the following is a physical reaction? Frying an egg Digesting carrots A Macbook falling out of a window Creating ATP in the human body Dropping a fizzy tablet into a glass of Water Shattering Glass with a baseball Corroding Metal Fireworks Exploding Lighting a match Baking a cake

Answer 1

Answer: plzz denote the options by a,b,c etc

Answer 2

Answer:

ii)Adding yellow to blue to make green

iv)Dropping a sliced orange into a vat of Sodium Hydroxide

vii)A bicycle rusting

Explanation: