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WorksheetsCarbon and its Compounds Quiz 5
Total questions: 10
Worksheet time: 3mins
Which of the following compounds of carbon does not consist of ions?
CHCl3
CaCO3
NaHCO3
Ca2C
Which of the following statements is not true regarding alkenes?
Alkenes are hydrocarbons
They are unsaturated compounds
They can consist of more than one double bond
The number of hydrogen atoms is always double the number of carbon atoms
Which of the following structures correctly represents the electron dot structure of a chlorine molecule?
Cation is formed when
Atom gains electrons
Atom loses electrons
Proton is lost by the atom
Atom shared by electrons
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
The food is not cooked completely
The fuel is wet
The fuel is not burning completely
The fuel is burning completely
Which of the following bonds is very strong and hence very stable?
Carbon-Carbon bond
Carbon–Iodine bond
Carbon-Silicon bond
Carbon–Sulphur bond
The different types of carbon compounds are _________.
Lipids
Nucleic acids
Carbohydrates
All of the above
What is the total percentage of carbon present in the human body?
15 to 16 percent
18 to 19 percent
20 to 25 percent
None of the above
What is the total percentage of carbon present in the atmosphere?
0.04 percentage
20 percentage
0.09 percentage
0 to 4 percentage
Which of the following factors contributes to the carbon cycle?
Respiration
Fossil fuels
Photosynthesis
All of the above
