I dare u all if u can answer this question
1.FILL IN THE BLANKS
1.Zinc oxide is __________ when hot and __________when cold.
2.Stretched rubber band involves __________change.
3.Magnesium ribbon burn with a dazzling __________light.
4. when washing soda is added to ___________carbon dioxide gas is produced .
5.Rotation of fan is ________change.
6.A glowing of tube light is a __________
4.Chemical name of washing soda is _________
5.Rusting is faster in ___________water.
6.Two methods by which rusting can be prevented by _______and ________
Answers
Answered by
0
1 yellow when hot and white when cold
2 shape
3 white flame
5 direction
4 na2co3
5 saline water
6 oil and paint
2 shape
3 white flame
5 direction
4 na2co3
5 saline water
6 oil and paint
Similar questions
History,
7 months ago
Science,
7 months ago
Computer Science,
7 months ago
Social Sciences,
1 year ago
Geography,
1 year ago