/20
892

Chimie Générale Preparation (Dr. Chhour Monivan, PhD)

 

1 / 20

1) Which chemical element belong to alkali metal group?

2 / 20

2) Which chemical element belong to alkali metal group?

3 / 20

3) Empirical formula of hydrazine?

4 / 20

4) Which chemical element belong to alkali metal group?

5 / 20

5) Which subatomic particle has positive charge?

6 / 20

6) Which subatomic particle has negative charge?

7 / 20

7) Which chemical element belong to halogen group?

8 / 20

8) Molecular formula of nitric acid?

9 / 20

9) Which chemical element belong to halogen group?

10 / 20

10) What are isotopes?

11 / 20

11)

Empirical formula of hydrogen peroxide?

12 / 20

12) Glucose (C6H12O6), ribose (C5H10O5), Acetic acid (C2H4O2), and formaldehyde (CH2O) all have different molecular formulas but the same empirical formula. Write their empirical formula.?

13 / 20

13) Which chemical element belong to halogen group?

14 / 20

14) Which chemical element belong to alkali earth metal group?

15 / 20

15) Molecular formula of phosphoric acid?

16 / 20

16) Which chemical element belong to halogen group?

17 / 20

17) Molecular formula of sulfuric acid?

18 / 20

18) In the Periodic Table, elements are assigned with atomic number based on?

19 / 20

19) Which subatomic particle has no charge?

20 / 20

20) Which chemical element belong to alkali earth metal group?

Your score is

The average score is 85%

0%

Any comments?