Which is the SI unit of electric current ?
Anonymous Quiz
68%
Ampere
26%
Coulomb
4%
Second
3%
None of these
Name the device which is used to measure
potential difference
potential difference
Anonymous Quiz
25%
Ammeter
63%
Voltmeter
10%
Wattmeter
2%
None of these
Which apparatus is used to measure the value
of current ?
of current ?
Anonymous Quiz
64%
Ammeter
21%
Voltmeter
13%
Wattmeter
2%
None of these
The other name of potential difference
Anonymous Quiz
10%
amperage
12%
wattage
52%
voltage
26%
potential energy
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Two or more ______ combine in a reaction to form a single product.
Anonymous Quiz
17%
products
60%
reactants
17%
elements
6%
compounds
Which of the following reactions is/are endothermic?
1. CaO + H2O —> Ca(OH)2 + Heat
2. Fe + S —> FeS
1. CaO + H2O —> Ca(OH)2 + Heat
2. Fe + S —> FeS
Anonymous Quiz
34%
1
34%
2
26%
Both (a) & (b)
5%
None
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Which of the following is an decomposition reaction?
Anonymous Quiz
11%
A + B —> C
25%
A + B —> C + D
57%
AB —> A + B
8%
A + B ⇌ C
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A + BC —> AC + B ; is an example of which reaction?
Anonymous Quiz
11%
Combination
16%
Decomposition
63%
Displacement
10%
Double Displacement
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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