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- 1. Multiple Choice
Which of the following changes can be reversed?
Raw egg to boiled egg
Wet clothes to dry clothes
Cow dung to biogas
none of the above
- 2. Fill in the Blank
A single change can be classified under various types of changes . True or false
- 3. Fill in the Blank
The gaps between rails give trains their characteristics __________ noise when their wheels run over the gaps.
- 4. Multiple Choice
great belt bridge in Denmark expands ________ m in summer.
5.7
7.4
4.7
7.5
- 5. Multiple Choice
what type of steel in used in pendulums ?
steel
inver steel
inat steel
invar steel
- 6. Multiple Choice
Do all thermometers contain liquid ?
Yes
No
- 7. Fill in the Blank
radiator caps of vehicles that are overheated should not be opened. True or false
- 8. Multiple Choice
What type of change does candle go through ?
physical
chemical
irreversible
reversible
- 9. Fill in the Blank
a disk shape metal is heated will the disk holes get larger or smaller?
- 10. Fill in the Blank
What take place around us all the time?
- Answer choicesTagsAnswer choicesTags