Question

l. select the correct options :
1. Abasic oxide will be formade by the element
(a) sulphur (b) potassium (c) carbon (d) phosphorus
2. Which of the following is not a characteristic property of iron?
(a) Malleability (b) Ductility
(c) Brittleness (d) Sonorousness
3. The metal which will not produce hydrogen gas on reacting with dilute sulphuric acid is:
(a) Silver
(b) Sodium
(c) Zinc
(d) Iron
4. The least reactive metal among the following is:
(a Lead
(b) Magnesium
(c) Silver
(d) Sodium
5. Which among the following is the most reactive metal?
(a) Calcium
(b) Copper
(c) Iron
(d) Magnesium​

Answer 1

Answer:

1.b)potassium

2.c)brittleness

3.a)silver

4.c)silver

5.a)calcium

Answer 2

Answer:

Carbon. brittleness. silver. lead. copper.