Multiple Choice
Which of the following statements is/are true of hydrogen under ordinary conditions of temperature and pressure?
1) Hydrogen is a colorless and odorless gas.2. Hydrogen has high molar mass and is polar in nature.3. Hydrogen has a very low boiling point (−253°C) and melting point (−260°C) .
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 1 and 3
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Choose the correct molecular structure for P<sub>4</sub>.<br>A)
Q5: Write a balanced equation for the following
Q6: Write a balanced equation for each of
Q8: Which of the following elements has the
Q10: Which of the following are allotropes of
Q11: Choose the correct molecular structure for PCl<sub>3</sub>.<br>A)
Q13: For the process X<sup>-</sup>(g) → X<sup>-</sup>(aq), select
Q14: Which of the following oxides is amphoteric?<br>A)
Q106: Write a balanced equation for each of
Q111: Write a balanced equation for each of