Q. No.The spherical shape of rain droplets is due to-
1. Viscosity
2. surface tension
3. Critical phenomenon
4. Pressure
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGases possess characteristic critical temperature which depends upon the magnitude of intermolecular forces between the particles. Following are the critical temperatures of some gases.
| Gases | H2 | He | O2 | N2 |
| The critical temperature in Kelvin | 33.2 | 5.3 | 154.3 | 126 |
From the above data, the order of liquefaction of the given gases is-
(write the order from the gas liquefying first)
1.
2.
3.
4.
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe SI unit of viscosity coefficient is-
1. Pascal
2. Nsm-2
3. km-2s
4. Nm-2
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAtmospheric pressure recorded in different cities are as follows
| Cities | p in N/m2 |
| Shimla | |
| Bangalore | |
| Delhi | |
| Mumbai |
The liquid will boil first at -
1. Shimla
2. Bangalore
3. Delhi
4. Mumbai
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncrease in kinetic energy can overcome intermolecular forces of attraction. How will increase in temperature effect the viscosity of liquid-
1. Increase
2. No effect
3. Decrease
4. No regular pattern will be followed
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWith increase in temperature the surface tension of a liquid will:
1. Remains same
2. Decreases
3. Increases
4. No regular pattern is followed
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | The temperature at which the vapor pressure of a liquid is equal to the external pressure is called boiling temperature. |
| Reason (R): | At high altitudes atmospheric pressure is high. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | Gases do not liquefy above their critical temperature, even on applying high pressure. |
| Reason (R): | Above the critical temperature, the molecular speed is high and intermolecular attractions cannot hold the molecules together because they escape because of high speed. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | At the critical temperature, the liquid passes into a gaseous state imperceptible and continuously. |
| Reason (R): | The density of the liquid and gaseous phase is equal to critical temperature. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | Liquids tend to have a maximum number of molecules at their surface. |
| Reason (R): | Small liquid drops have a spherical shape. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
© 2024 GoodEd Technologies Pvt. Ltd.