Chemistry
Practice Chemistry MCQs from the Science syllabus.
What is the percentage of carbon in a molecule of CO2?
Which of the following will decolorize bromine water?
The reaction between an organic acid and an alcohol to form a sweet-smelling substance is called:
Which of the following organic compounds is used as a coolant and in the manufacture of polymers like Dacron?
How many sigma and pi bonds are there in an ethyne molecule?
What is the function of concentrated sulfuric acid in the laboratory preparation of carbon monoxide from oxalic acid?
Which gas is used in the oxy-acetylene torch for welding and cutting metals?
What happens when CO2 is passed through lime water for a long period?
Which hydrocarbon is known as the 'monomer' of natural rubber?
What is the functional group of carboxylic acids?
Which of the following is NOT a property of a homologous series?
Wood charcoal is a better fuel than wood because:
What is the formal charge on the carbon atom in the carbonate ion (CO3^2-)?
The process of converting higher hydrocarbons into lower ones by heat is called:
Which compound is used as a standard for defining the atomic mass unit (amu)?
The functional group -CHO represents which class of organic compounds?
Which of the following is used in making non-stick cookware?