## Chemistry Test 1

Instructions

For the following questions answer them individually

Question 1

Due to which phenomenon of light, soap bubbles look colorful in white light?

Question 2

All the member of a homologous series can be represented by the same general formula.
Choose the INCORRECT formula from among the following.

Alkane  ---- $$C_{n}H_{2n+2}$$

Alkene  ---- $$C_{n}H_{2n+1}$$

Alkyne  ---- $$C_{n}H_{2n-2}$$

Question 3

Which of the following statements is INCORRECT?

Question 4

Which of the following statements is wrong with regard to strong acids?

Question 5

Which of the following statements is/are true or false?
Statements:
A) $$H_2SO_4$$ is used in the refining of petroleum to remove sulphur and other compounds.
B) The basic nature of Sodium Hydroxide ($$NaOH$$) is due to the presence of Hydrogen ions in the solution.