1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not correct?
A
Ovalbumin is a simple food reserve in egg-white.
B
Blood proteins thrombin and fibrinogen are involved in blood clothing.
C
Denaturation makes the proteins more active.
D
Insulin maintains sugar level in the blood of a human body.
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
If molality of the dilute solution is doubled, the value of molal depression constant (Kf) will be
A
halved
B
tripled
C
unchanged
D
doubled.
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is dependent on temperature?
A
Molarity
B
Mole fraction
C
Weight percentage
D
Molality
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A first order reaction has a specific reaction rate of 10$$-$$2 sec$$-$$1. How much time will it take for 20 g of the reactant to reduce to 5 g?
A
138.6 sec
B
346.5 sec
C
693.0 sec
D
238.6 sec