Which one of the following is a buffer solution ?
Which one of the following is a buffer solution ?
A. brine
B. blood
C. glue
D. solution of CuSO4
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Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?
Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?A. Cl2O
B. ClO2
C. Cl2O6
D. Cl2O7The deliquescence is a property in which a solid____________________?
The deliquescence is a property in which a solid____________________?A. Absorbs moisture and remains solid
B. Absorbs moisture and turns to liquid form
C. Loses water of crystallization
D. Increases the number of water of crystallizationAvogadros number may represent_________________?
Avogadros number may represent_________________?A. volume of particles
B. number of particles
C. mass of particles
D. All of the aboveWhich is artificial manmade fiber?
Which is artificial manmade fiber?A. Boron
B. Saffron
C. Rayon
D. None of theseWhich of the following elements react with steam to produce H2 gas?
Which of the following elements react with steam to produce H2 gas?A. Pd
B. Ni
C. Sn
D. All of the aboveThe equation that represents the relationship of Faraday’s first law of electrolysis is _______?
The equation that represents the relationship of Faraday’s first law of electrolysis is _______?A. Z=At
B. w=ZAt
C. w=Z/At
D. Z= At/M