At what digit of PH scale PH is neutral?

Related Mcqs:

1. The introduction of Kelvin scale in thermodynamic is according to_______________?

   A. Boyles law
   B. Charles law
   C. Daltons law
   D. Grahams law

2. Major cause of SO2 on global scale is__________________?

   A. volcanoes
   B. electric sparks
   C. combustion
   D. all

3. List of elements based on hydrogen scale is called________________?

   A. periodic table
   B. groups
   C. periods
   D. electrochemical series

4. A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?

   A. Thermometer
   B. Viscometer
   C. PH Scale
   D. Stagmometer

   Submitted by: Ali Jan

5. The range of acid PH on PH scale is____________?

   A. 9 to 8
   B. 6 to 7
   C. 1 to 6
   D. 1 to 10

   Submitted by: Chakar Hussain Shar

6. Alkaline PH scale starts from?

   A. 8 to 14
   B. 6 to 10
   C. 7 to 11
   D. 0 to 14

   Submitted by: Chakar Hussain Shar

7. Which one of following is not a property of pure quartz ?

   A. Coloured solid
   B. Brittle
   C. Hard
   D. All of above

8. Bleaching powder is an example of________________?

   A. Normal salt
   B. Double salt
   C. Mixed salt
   D. Complex

9. Order of ease of halogenation in alkane is________________?

   A. I2>Cl2>Br2>F2
   B. F2>Cl2>I2>Br2
   C. F2>Cl2>Br2>I2
   D. Cl2>F2>Br2>I2

10. Calculate % of N in KNO3__________?

    A. 14.34%
    B. 18.56%
    C. 13.86%
    D. None of these

    Submitted by: FAHAD khan