Which substance can be used for disinfecting water ?

Related Mcqs:

1. Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing___________________?

   A. NH2Cl B. NHCI2 C. NCI2 D. all of the above...

2. Chlorination of water may be harmful if the water contains_________________?

   A. Ammonia B. Dissolved oxygen C. Carbon dixide D. All...

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

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

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

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

5. 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...

6. Any substance which accepts H+ is base favours the concept___________________?

   A. Lowrys B. Lewis C. Arrhenius D. None of these...

7. Which of the following substance do not show continuous solubility curve ?

   A. KCIO4 B. Na2SO4. 10H2O C. K2Cr2O7 D. PbCl2...

8. 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...

9. 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...

10. The Substance which resist in change in PH is called?

    A. Neutralization B. Osmosis C. Buffer D. Active transport Submitted by: Chakar Hussain Shar...