Isomerism, Water, Acids and Bases, Buffers
Substance that rotates plane of polarization light to right termed as:
Dextrorotatory
Levorotatory
Racemic mixture
Optical isomer
Dextrorotatory
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Water has very important and a lot of biological significance due to itsA. Polar character
B. Bond length
C. Bond angel
D. Geometry
A typical cell comprising of water component nearly:
A. 0.8
B. 0.9
C. 0.7
D. 0.6
Distance between O-H bond in water molecules is nearly:
A. 0.958 Ã…
B. 0.968 Ã…
C. 0.953 Ã…
D. 0.951 Ã…
If a carbon atom is attached to four different groups it is said to be as:
A. Chiral carbon
B. Central carbon
C. Middle carbon
D. Neutral carbon
Density of water at zero degree centigrade is:
A. 1.2 g/ml
B. 1.0 g/ml
C. 0.92 g/ml
D. 0.99 g/ml
Negative logarithm of hydrogen ion concentration is called:
A. Dissociation constant
B. pH value
C. Acidity
D. Basicity
Best example of ampholytes is regarded as:
A. HCL
B. NaOH
C. Water
D. KCL
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