NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1085 - 1090 of 3111
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Question 1085
Question MCQ▾
In paper chromatography, stationary phase is solid and mobile phase is?
Choices
Choice (4) | Response | |
---|---|---|
a. | Semisolid | |
b. | Gas | |
c. | Liquid | |
d. | Solid |
Question 1086
Question MCQ▾
If is the reaction is that part of which dissociates, then the number of molecules at equilibrium will be?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | 1 | |
c. | 3 | |
d. |
Question 1087
Question MCQ▾
The function of boiling the sodium extract with concentrated before testing for halogen is?
Choices
Choice (4) | Response | |
---|---|---|
a. | To destroy ions | |
b. | To make the solution acidic | |
c. | To convert to | |
d. | To make the solution clear |
Question 1088
Question MCQ▾
Two volatile and miscible liquids can be separated by fractional distillation into pure components under the conditions when?
Choices
Choice (4) | Response | |
---|---|---|
a. | The boiling points of the liquids are close to each other | |
b. | They have low boiling points | |
c. | They do not form azeotropic mixture | |
d. | The difference in their boiling points is large |
Question 1089
Question MCQ▾
Duma՚s method involves the determination of nitrogen content in the organic compound in the form of?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1090
Question MCQ▾
When excess of electrolyte is added to a colloid it?
Choices
Choice (4) | Response | |
---|---|---|
a. | Coagulates | |
b. | Precipitate | |
c. | Does not charge | |
d. | Gets diluted |