Chemistry MCQs

A. C4H6 B. C5H12 C. C3H4 D. C6H10

A. Alkanes B. Alkynes C. Alkenes D. a & c The correct answer to the question: “Those aliphatic hydrocarbons which contain carbon to carbon single covalent bond in the chain are called ___________?” is “Alkanes”.

A. 14amu  B. 12amu C. 18amu D. 22amu The correct answer to the question: “In homologous series there is the difference of mass between adjacent members.” is “14amu “.

A. 2(Divalent) B. 3(Trivalent) C. 4(Tetravalent) D. 1(univalent) The correct answer to the question: “The valency of Carbon is _________?” is “4(Tetravalent)”.

A. chemical properties B. functional group C. physical properties  D. all of them The correct answer to the question: “All members of homologous series have different __________?” is “physical properties “.

A. Surface Action B. Capillary Action C. Viscosity D. Boldness Blotting paper absorbs liquids through capillary action, which is the movement of a liquid through a spongy material. Capillary action is caused by the forces of adhesion, cohesion, and surface tension. The correct answer to the question: “The blotting paper helps observe liquid by__________?” is … Read more

A. Ethane B. Methane C. Propane D. Butane Methane is called marsh gas because it is found at the surface of marshy places (a type of wetland, an area of land where water covers ground for a long period, that are usually treeless and is dominated by grasses and herbaceous plants). The correct answer to … Read more

A. Alkali metals B. Halogens C. Alkaline earth metals D. Transition metals Coinage metals, such as copper (Cu), silver (Ag), and gold (Au), are classified as transition metals. These metals are known for their excellent conductivity and are traditionally used to make coins. The correct answer to the question: “Coinage metals are actually_________?” is “Transition … Read more

A. Alpha particle B. Neutron C. Electron D. Proton E. All of these Neutrons are the electrically neutral particles present in the nucleus of an atom. A neutron is a neutral particle. Unlike protons (positive charge) and electrons (negative charge), neutrons have no electric charge, making them neutral particles. Key points about neutrons: Found in … Read more

9th Class Chemistry MCQs with answers for grade 9 chemistry subject paper preparation online. 9th Class Chemistry MCQs How many numbers of moles are equivalent to 8 grams of CO2? (A) 0.15(B) 0.18(C) 0.21(D) 0.24 Formula: No. of moles = Given mass/Molar mass The number of particles in one mole of a substance is called: … Read more