Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Worksheet FA
Nivedita Bose Science Solutions for Exercise - Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Worksheet FA
Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 2: Worksheet FA with hints and solutions to strengthen your understanding. LEARNING edge SCIENCE and TECHNOLOGY 7 solutions are prepared by Experienced Embibe Experts.
Questions from Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Worksheet FA with Hints & Solutions
Rusting of iron will not happen in the absence of:
Artificial ripening of fruits is:
Which change is easier to reverse?
Reena was trying to make crystals of salt and sugar in separate containers. Which one of them will form crystals faster? Why do you think so?
Which of the following properties of a substance will not change during a chemical change: shape, composition, mass, or density? Give reasons.
Kovid opened a bottle of cola and took a sip. He felt the taste of the drink. He left the bottle open for half an hour and again took a sip. This time he did not feel the taste. What happened? What kind of change occurred in the cold drink bottle?
Krishna tore a sheet of paper into a square and made an aeroplane with it. As he was flying his aeroplane, it fell in water and got wet. He tried to dry it over a candle flame. It caught fire. List all the physical and chemical changes that occurred in this process.
There is always a warning on tetra pack juices; ‘do not buy if the pack is puffy.’ What do you think is wrong with such tetra packs? What kind of change occurs in them?
