Which of the following is the weakest reducing agent ?
Which of the following is the weakest reducing agent ?
A. HF
B. HBr
C. HC
D. HI
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An acid with unpleasant smell_________________?
An acid with unpleasant smell_________________?A. formic acid
B. acetic acid
C. propionic acid
D. butyric acidDifferent components of a mixture have different Rf values due to________________?
Different components of a mixture have different Rf values due to________________?A. Polar solvent used
B. Combination of solvents used
C. Their different distribution coefficients in the solvent
D. Distributive lawThe 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. I2Following are the anions of soap which form Ca and Mg ions which we see as curd in water
Following are the anions of soap which form Ca and Mg ions which we see as curd in waterA. Sodium hexadecanoate
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both A & BIn Galvanic cell electrons flow from anode to cathode through__________________?
In Galvanic cell electrons flow from anode to cathode through__________________?A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the aboveWhich element is necessary for normal leaf development ?
Which element is necessary for normal leaf development ?A. Si
B. Ba
C. Mg
D. Ca