Neutrons are present in all atoms except that of ___________________?

Related Mcqs:

1. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

   A. Tin
   B. Lead
   C. Zinc
   D. Glass

2. There are one octahedral void and ______________ tetrahedral void in the closest packing of atoms ?

   A. One
   B. Two
   C. Three
   D. None of these

3. Atoms of the same element, but of different masses are called__________________?

   A. Isobars
   B. Isotones
   C. Isotopes
   D. None of these

4. Isotopes are atoms having the same _____________________?

   A. Mass number
   B. Number of neutrons
   C. Atomic mass
   D. None of these

5. The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

   A. 9.03
   B. 3.01
   C. 1.204
   D. 6.02

6. The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at ______________ percent relative humidity ?

   A. 0
   B. 100
   C. 50
   D. None of these

7. All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

   A. Oxygen
   B. Nitrogen
   C. Air
   D. Hydrogen

8. The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?

   A. Isobaric
   B. Isothermal
   C. Adiabatic
   D. None of these

9. Addition of silicon to cast iron ___________________?

   A. Promotes graphite module formation
   B. Improves its ductility
   C. Does not promote graphite flakes formation
   D. Increases the fluidity of molten metal

10. With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?

    A. Supercharging
    B. Wall temperature
    C. Compression ratio
    D. Engine speed