13. Which substances would most probably be ionic compounds?
A. 1 and 4 B. 4 and 5 C. 3 and 4 D. 1 and 5
14. What type of compound is No. 2?
A. lonic compound because it melted easily.
B. lonic compound because it dissolved in water and did not light a bulb.
C. Covalent compound because its mixture with water did not light a bulb.
D. Covalent compound because it dissolved in water
15. Which of the following substances could be compound No. 4?
A. Paraffin wax, C25H62 B. Bleaching agent, NaOCI C. Vetsin, NaCsH8NO4
D. Table salt, Naci​