SSC EV MCQ Question Ans. Chemistry in our life. Mango is a very popular fruit in Bangladesh. People are afraid of eating fruit because calcium carbide is used to ripen them or preservatives are used. People think there is formalin in fishes, where will they go? The elements used to ripen fruits and as preservatives … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. Mineral Resources: Metal-Nonmetal. Bijoypur, Gopalpur of Durgapur Upazilla of Netrokona district of Bangladesh is one of the best tourism places of Bangladesh. Hill of white clay is seen here beside the attractive lake. This clay rich in Kaolin or aluminum is used in ceramic industries. In the beginning, the people … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. Acid-Base Balance. Lead is extracted from the acidic residue of rejected batteries of vehicles /IPS/ solar panel in 50 furnaces on the beach of river Jamuna at Bera Upazila of Pabna district. People are extremely annoyed at the toxic smoke and bad odor from the furnaces. Crops are not growing … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. Chemistry and Energy. In fact, a chemical bond is a store of energy. Energy is associated with the formation and breaking of chemical bonds. As the number of changing in chemical bond happened in the world, in all cases transformation of energy happened. We perform us every day works using … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. Chemical Reaction. The elements present in nature are changing gradually. Â There are different kinds of changes. Some of the changes are physical and some are chemical. Every change has some effects. Particularly chemical changes have both good and bad effects. So it is mandatory to have proper knowledge about the … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. Chemical Bonds. Inert gases are stable in nature as mono-atomic gases, except these gases the atoms of other elements cannot exist independently in nature. Molecules of fundamental gases are di-atomic like O2, N2, F2, Cl2, Br2, etc. Again molecules of some elements consist of more than two atoms. For example … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. States of Matter. The matter is such a physical entity that has mass and occupies space. Usually, all matters can exist in three different states- solid, liquid and gaseous states. However, at normal room temperature, some matters can exist as solids, some as liquids and some as gaseous. The state … Read more
Last Updated: March 22, 2026 at 9:12 pm
SSC EV MCQ Question Ans. The concept of Chemistry. This chapter contains a simple introduction to chemistry, its scopes, and intervention in various fields, common concepts of investigation and research methodologies in chemistry and the issues of preserving chemical substances, as well as, the hazards in using them. SSC EV MCQ Question Ans. The concept … Read more
Last Updated: March 22, 2026 at 9:12 pm