In Dry cell, cathode is made up of_______?
In Dry cell, cathode is made up of_______?
A. Zinc
B. Carbon (Graphite)
C. ZnCl²
D. MnO²(Pyrolusite)
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Fluorine can react with_________________?
Fluorine can react with_________________?A. Xe
B. Kr
C. Rn
D. All of the aboveWhich of the following statements is wrong about isotopes ?
Which of the following statements is wrong about isotopes ?A. they possess different mass number
B. they possess different physical properties
C. they possess same chemical properties
D. they possess different position in the periodic tableNaOH is named as caustic soda because________________?
NaOH is named as caustic soda because________________?A. It corrodes the organic tissues
B. It is used in soda water
C. It reacts with chlorine gas
D. It reacts with fats to form soapThe PH of the 0.0032 M H2SO4 is__________?
The PH of the 0.0032 M H2SO4 is__________?A. 3.2
B. 4.0
C. 2.198
D. 1.0Size of molecule depends upon________________?
Size of molecule depends upon________________?A. Atomicity
B. Shape of molecule
C. Both A and B
D. Difficult to predictThe heat required to raise the temperature of body by 1 K is called___________?
The heat required to raise the temperature of body by 1 K is called___________?A. specific heat
B. thermal capacity
C. water equivalent
D. None of the above