The amount of substance in the SI system of units is represented by
A) candela
B) mole
C) weight
D) kilogram
Correct Answer:
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Q6: The main constituent of cement is
A)SiO2
B)CaO
C)CaSO4
D)Al2O3
Q7: The real bleaching agent present in bleaching
Q8: Cake does not taste bitter due to
Q9: What is obtained on adding lime to
Q10: Which of the following is different from
Q12: The SI unit of temperature is
A)Kelvin
B)second
C)mole
D)candela
Q13: The National Physical Laboratory is situated at
A)Kolkata
B)New
Q14: The SI unit of electric current is
A)ampere
B)candela
C)mole
D)none
Q15: How many fundamental units are present in
Q16: Which of the following physical quantities is
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