In which of the following reaction , precipitate forms?
Anonymous Quiz
19%
Combination
23%
Decomposition
18%
Displacement
40%
Double Displacement
Which of the following is / are slow reactions?
Anonymous Quiz
9%
Cooking gas starts burning on ignition
37%
Rusting of iron
12%
Oxidation of Apple
42%
Both (B) & (C)
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In which of the following condition , the rate of setting of milk into curd is high?
Anonymous Quiz
19%
Winter season
54%
Summer season
6%
RAINY SEASON
21%
Both (A) & (B)
__ is more reactive than __
Anonymous Quiz
50%
Al , Zn
31%
Zn , Al
18%
Both are correct
2%
None are correct
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CO2 effervescence is formed with by Faster rate with _________.
Anonymous Quiz
22%
Solid Caco3
51%
Powdered CaCO3
24%
Both are correct
4%
None are correct
Rate of a reaction is proportional to the concentration of ________.
Anonymous Quiz
50%
reactants
29%
products
15%
elements
6%
compounds
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Rate of a reaction ______ on _____ the temperature.
Anonymous Quiz
41%
Increases, decreasing
43%
Increases, increasing
10%
Decreases , decreasing
6%
Decreases, increasing
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An object is moving along a straight line is
called as _____________
called as _____________
Anonymous Quiz
17%
Motion
41%
Line-motion
27%
Rectilinear motion
15%
All of these
Which of the following is/are permanent changes?
Anonymous Quiz
20%
Physical change
60%
Chemical change
20%
Both (a) & (b)
0%
None
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