Federal 9th Chapter 8th (Chemical Reactivity)

1. Which of following is most basic oxide

a. MgO
b. BaO
c. CaO
d. SrO

2. Which one oxide is amphoteric in nature

a. Na2O
b. MgO
c. Al2O3
d. SO2

3. Which of following element is most metallic

a. Al
b. Na
c. Mg
d. Li

4. Valence shell electronic configuration of akaline earth metal is

a. ns1
b. ns1np1
c. ns2
d. sn2np4

5. Which one is not a nobel metal

a. Au
b. Cu
c. Hg
d. Ag

6. Which one of following is least non-metallic

a. Si
b. S
c. P
d. Cl

7. Oxidizing power of…… is the highest

a. I2
b. Cl2
c. F2
d. Br2

8. Chlorine cannot oxidize …. ion

a. iodide
b. floride
c. bromide
d. astatine

9. Na is more reactive than Li, but less reactive than

a. Mg
b. Al
c. Rb
d. All

10. Which of the following is strongest acid

a. HI
b. HCl
c. HBr
d. HF