Chemistry
Practice Chemistry MCQs from the Science syllabus.
What mass of $CO_2$ is produced by the complete combustion of 3g of Carbon?
What type of reaction is the decomposition of vegetable matter into compost?
In the reaction $3MnO_2 + 4Al \rightarrow 3Mn + 2Al_2O_3$, which substance is being reduced?
A student adds a piece of copper to a solution of silver nitrate. What will be observed?
What is the percentage of Oxygen in Calcium Carbonate ($CaCO_3$)? (Ca=40, C=12, O=16)
The reaction $C + O_2 \rightarrow CO_2 + 393.5 kJ$ is an example of:
What is the oxidation number of Cr in $K_2Cr_2O_7$?
Which of the following is NOT a balanced equation?
What is the product when Ethene ($C_2H_4$) reacts with Hydrogen in the presence of Nickel catalyst?
Which of the following describes the 'Law of Definite Proportions'?
What is the molarity of a solution containing 4g of NaOH in 1 liter of solution?
Which of the following is the reducing agent in the reaction $CuO + H_2 \rightarrow Cu + H_2O$?
What is the formula for calculating the 'Rate of Reaction'?
The reaction $Fe + CuSO_4 \rightarrow FeSO_4 + Cu$ is a/an:
In the reaction $2Na + Cl_2 \rightarrow 2NaCl$, sodium is:
Which of the following reactions occurs in the 'Haber's Process'?
What type of chemical bond is typically broken and formed during a chemical reaction?
Which of the following is a balanced equation for the reaction of Zinc with Sulfuric Acid?
The reaction $CaO + H_2O \rightarrow Ca(OH)_2 + Heat$ is: