Chemistry
Practice Chemistry MCQs from the Science syllabus.
Which of the following describes a negative catalyst?
What type of reaction is: $NaCl + AgNO_3 \rightarrow AgCl + NaNO_3$?
Which of the following is necessary for a combustion reaction to occur?
In the reaction $Fe + S \rightarrow FeS$, how many substances are there as products?
What type of reaction is the digestion of food in our body?
Identify the oxidizing agent in: $H_2S + Cl_2 \rightarrow 2HCl + S$.
What is the color of the nitrogen dioxide gas evolved during the thermal decomposition of lead nitrate?
Which of the following is not a factor affecting the rate of reaction?
When a chemical equation is 'balanced', it satisfies the law of:
What happens during a reduction reaction according to the electronic concept?
In the reaction $2H_2 + O_2 \rightarrow 2H_2O$, what is the state of the product formed at room temperature?
What is the substance that speeds up a reaction without being consumed itself?
The removal of hydrogen from a compound is called:
What mass of water is produced when 4g of Hydrogen reacts completely with 32g of Oxygen?
In the balanced equation $xFe + yH_2O \rightarrow Fe_3O_4 + zH_2$, what are the values of x, y, and z?
Which of the following metals will NOT displace Copper from Copper Sulfate solution?
What is the observation when Ammonia gas and Hydrogen Chloride gas are brought together?
Which of the following is an example of a photochemical reaction?
The reaction $BaCl_2 + Na_2SO_4 \rightarrow BaSO_4 + 2NaCl$ is an example of:
What happens to the oxidizing agent in a redox reaction?