Question

Q2. Answer the following questions:-

1. What it dobernior triards
2. Write the reactions involves in black and white photography,
3. Double fertilisation
4. Ovulation and menstruation
5. What you will observe during chemical reaction?
6. What is electronegativity
7 what happen to the atoms as move along the period left to right?
8. What happen when metal reacts with base. Give example
9. Write the physical properties of metal.
10. Oxidation​

Answer 1

Answer:

Explanation:

(a) Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)

(b) Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)

(c) Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)

(d) Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)