Carbon exists in the atmosphere in the form of
Anonymous Quiz
71%
Carbon dioxide
14%
Carbon monoxide
14%
Carbon monoxide in traccce of carbon dioxed
1%
None
👍13🔥3🥰2😁2😢1
The allotrope of carbon which is a good conductor of heat and electricity is
Anonymous Quiz
56%
Graphite
20%
Diamond
10%
Fulleren
14%
Charcoal
👍9🥰3
Which form of carbon is found in Golkonda mines of Karnataka?
Anonymous Quiz
47%
Diamond
18%
Graphite
25%
Coal
10%
Fulleren
👍7🔥3🥰1
👍5❤2🔥2👏2
Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is
Anonymous Quiz
33%
1:2
51%
2:1
14%
1:6
1%
6:1
👍10😁4
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👍5
Which Acid is a strong Acid in the following?
Anonymous Quiz
58%
Hcl
16%
Ch3cooh
16%
Lemon juice
9%
Latic acid
👍6👏1🎉1
Na2CO3.10H2O is known as-
Anonymous Quiz
29%
Baking soda
27%
Baking powder
27%
Washing soda
17%
Washing powder
❤7👍2
pH value less than 7 indicates that the solution is –
Anonymous Quiz
58%
Acidic
26%
Basic
15%
Neutral
2%
None
🔥11👍1😢1
Farmers neutralize the effect of Acidity on soil by adding
Anonymous Quiz
40%
Slaked lime
27%
Caustic soda
22%
Gypsm
12%
Baking soda
🥰7😱3👍1
CuSO4.5H2O In this Compound the water molecule is called –
Anonymous Quiz
16%
Pure water
22%
Distilled water
53%
Water of crystallization
9%
Soda water
🥰6😁5👍4
Which of the following oxides of iron would be obtained on prolonged reaction of iron with steam?
Anonymous Quiz
20%
Feo
46%
Fe3O2
29%
Fe3O4
5%
Feo4
👍8🔥4😢3🥰1
A non-metal used to preserve food material is:
Anonymous Quiz
17%
Carbon
14%
Sulphur
58%
Nitrogen
12%
Phosphrous
👍6❤5👏2
The metals that float when treated with water are:
Anonymous Quiz
22%
Calcium and iron
37%
Magnesium and sulphur
28%
Sodium and calcium
13%
Magnesium and calcium
🔥6🎉4👍3👏1👀1