The Substance which resist in change in PH is called?

Related Mcqs:

1. The highest temperature at which a substance can exist as a liquid is called its______________?

   A. Critical temperature B. Standard temperature C. Absolute temperature D. Upper consulate temperature...

2. The process by which a substance absorbs moisture upon exposure to atmosphere is called?

   A. Efflorescence B. Dehydrogenation C. Desalination D. Deliquescence  Submitted by: Farhan Rana...

3. If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?

   A. Heat of transition B. Heat of fusion C. Enthalpy change D. All of above...

4. Which of the following is a substance?

   A. Sea water B. Brass C. Tape water D. Graphite E. Sand Submitted by: Mansoor Ul Haque...

5. As a substance moves from a solid to a liquid all of the following changes occur except ?

   A. molecules become more disordered. B. K.E of the molecules decreases C. intermolecular forces become weaker. D. molecules move more frequently....

6. Paramagnetic behaviour of substance is measured by a balance called___________________?

   A. Analytical balance B. Guoys balance C. Electrical balance D. Single beam balance...

7. A substance having very high vapour pressure at its melting point on heating will show_______________?

   A. Melting B. Sublimation C. Decomposition D. Condensation...

8. A substance which increases the reactivity of enzyme is called_________________?

   A. Promoters B. Inhibitors C. Stimulators D. Non-activators...

9. A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

   A. C2H4 B. C3H6 C. C4H8 D. C5H10 Submitted by: Muhammad Ali Kunbhar...

10. The properties which do not depend on mass of the substance are _____________?

    A. Extensive properties B. Colligative properties C. intensive properties D. None of These Submitted by: Aneela shabbir...