B. Fill in the blanks. 1. Changes which are useful to us are called ______________change. 2. Growth of plants is a _________ change. 3. Change of state is an example of _________ change. 4. __________ is a chemical change in which iron reacts with moisture and oxygen to from iron oxide. 5. Curdling is a _________ change. 6. When the thermometer is kept in contact with a hot body, the ___________ absorbs heat and expands.
Answers
Answered by
1
1Chemical, 2physical, 3physical , 4rust , 5chemical , 6mercury
Answered by
1
Answer:
1 desirable 2 chemical 3 physical 4 rust 5 chemical 6 mercury
Similar questions