CHEMISTRY SCIENCE CLASS 10
Assessment
•
Bibhav Dwivedi
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Chemistry
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10th Grade
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252 plays
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Medium
Student preview
60 questions
Show answers
1.
Multiple Choice
Water freezes.
Sugar dissolves in water.
Salt and pepper are mixed in a dish.
Iron rusts.
2.
Multiple Choice
0 grams
20 grams
40 grams
80 grams
3.
Multiple Choice
CuCl2 + Al -> AlCl3 + Cu
3CuCl2 + Al -> AlCl3 + 2Cu
3CuCl2 + 2Al -> 2AlCl3 + 3Cu
CuCl2 + 3Al -> AlCl3 + 2Cu
4.
Multiple Choice
a color change
the production of gas bubbles
an increase in temperature
a decrease in temperature
5.
Multiple Choice
2
3
4
5
6.
Multiple Choice
Na2Cl + H2
2NaCl + H2
NaCl + 2H2
2NaCl + 2H2
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