class 9 science chapter 6 mcq

27 The following one is used to measure liquids in laboratory 1. measuring cylinder 2. spring balance 3. buret 4. both 1 and 3

Answers in Last Page >>>

26 ' Supersonics ' are 1. instruments 2. jet planes 3. missiles 4. none

Answers in Last Page >>>

25 The following one is used to measure time in the laboratory 1. wall clock 2. time clock 3. wrist clock 4. stop clock

Answers in Last Page >>>