General Science | Chemistry | Inorganic Chemistry

General Science | Chemistry | Inorganic Chemistry

1. What is the usual property of oxides of Group III and IV?

Basic and acidic
Basic
Acidic
Neutral

2. The element found maximum in the soil layer is

Oxygen
Nitrogen
Manganese
Silicon

3. Which one of the following is present in the largest amount in terms of percent by mass in the Earth's crust?

Silicon
Oxygen
Carbon
Calcium

4. Which is the most abundant element after oxygen?

Silicon
Carbon
Sodium
Chlorine

5. Which of the following is the most common element in the Universe?

Hydrogen
Oxygen
Nitrogen
Carbon

6. Approximately, how many different chemical elements exist in the Earth?

300
250
200
100

7. Which of the following is a fundamental element?

Sand
Diamond
Marble
Sugar

8. The chemical composition of diamond is

Carbon
Nitrogen
Nickel
Zinc