Question

(a) CaCO3 CaO+CO,
(c) SO2 +H2O–H SOZ
led chemical equation?
(b) 2KCIO, —
(d) CO,+H,0
Fill in the blanks.
1. Nitrogen is ...... in AIN. (monovalent/trivalent)
2. One sulphate radical will take up ....... sodium radical(s) to form sodium sulphate ( one/two)
MnO2
3. ...H2O2 catalyst ...H20+
4. Na, CO+... HCI - ... NaCl + H,O+CO,
5. ... NaHCO, heat. Na, CO,+H,0
3​

Answer 1

Answer:

a

Explanation:

a. sodium

b. calcium c

Answer 2

Answer:

Where is answera of fill in the blansk