In alkaline battery the anode is made up of______________________?
In alkaline battery the anode is made up of______________________?
A. MnO2
B. Zn
C. AgO2
D. cadmium
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The rectified spirit is________________?
The rectified spirit is________________?A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcoholThe halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?
The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?A. F2
B. Cl2
C. Br2
D. I2As a substance moves from a solid to a liquid all of the following changes occur except ?
As a substance moves from a solid to a liquid all of the following changes occur except ?A. molecules become more disordered.
B. K.E of the molecules decreases
C. intermolecular forces become weaker.
D. molecules move more frequently.Which of the following solids show anisotropy___________________?
Which of the following solids show anisotropy___________________?A. Plastic
B. Glass
C. Rubber
D. None of the aboveOxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/minRate of enzymatic reaction is directly proportional to the concentration of___________________?
Rate of enzymatic reaction is directly proportional to the concentration of___________________?A. Enzyme
B. Substrate
C. Enzyme and substrate
D. Enzyme and product