SPSC Past Papers of Lecturer Chemistry solved mcqs in pdf download free. Sample mcqs for SS Chemistry Lecturer Chemistry.
Write the atomic number for carbon?
Answer: 6.
Write the chemical symbol of gold?
Answer: Au.
What is the pH scale used to measure?
Answer: The pH scale is used to measure the acidity or alkalinity of a solution.
Write the chemical formula of water?
Answer: H2O.
What is the process called when a solid changes directly to a gas without passing through the liquid phase?
Answer: The process is called sublimation.
Write name of the lightest element in the periodic table?
Answer: hydrogen.
What is the common name for sodium chloride?
Answer: The common name for sodium chloride is table salt.
What is the formula for calculating density?
Answer: Density = mass/volume.
What is the process of converting a gas into a liquid called?
Answer: The process is called condensation.
What is the main component of natural gas?
Answer: The main component of natural gas is methane (CH4).
What is the chemical formula for sulfuric acid?
Answer: The chemical formula for sulfuric acid is H2SO4.
What is the process of combining two or more substances to form a new substance called?
Answer: The process is called a chemical reaction.
What is the most abundant gas in the Earth’s atmosphere?
Answer: The most abundant gas in the Earth’s atmosphere is nitrogen (N2).
What is the unit of measurement of electric current?
Answer: The unit of measurement for electric current is ampere (A).
What is the chemical formula for glucose?
Answer: C6H12O6.
What is the process of converting a liquid into a gas called?
Answer: The process is called vaporization or evaporation.
What is the chemical formula for ammonia?
Answer: The chemical formula for ammonia is NH3.
What is the study of the interaction of light with matter called?
Answer: The study is called spectroscopy.
What is the atomic symbol for iron?
Answer: Fe.
What is the process of breaking down a compound into simpler substances by the action of heat called?
Answer: The process is called decomposition.