1. What is positively charged ion called? A. Molecule B. Cations C. Anion D. Charged Ion Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
2. What happens when a chemical bond is formed? A. Energy is always absorbed B. Energy is always released C. More energy is released than it absorbed D. Energy is neither released nor absorbed Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
3. When a chemical bond is formed, there is decrease in A. kinetic energy B. potential energy C. repulsive force D. attractive force Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
4. Which of the following theory said that bond is formed between two atoms either by sharing or transfer of valence electrons? A. Valence shell electron pair repulsion B. Molecular orbital theory C. Valence bond theory D. Electronic theory of chemical bonding Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
5. The product of equivalent weight and valency of an element is equal to A. vapour density B. specific heat C. atomic weight D. molecular weight Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
6. Valence electrons are present in the: A. innermost as well as outermost shell of an atom B. outermost shell of an atom C. innermost shell of an atom D. just outside an atom Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
7. The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium? A. One B. Two C. Three D. Four Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
8. Electrovalent compound's A. melting points are low B. boiling points are low C. conduct current in fused state D. insoluble in polar solvent Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
9. An example of an element whose molecules have three valence electrons? A. Silicon B. Copper C. Germanium D. Aluminium Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
10. The electrovalent compounds is made up of A. electrically charged molecules B. neutral molecules C. neutral atoms D. electrically charged atoms or groups of atoms Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
