10th class Chemistry chapter 15 online mcq test with answers for matric part 2 chemistry unit 15(Water Preparation)

Chemistry 10th Class English Medium Unit 15 Online Test

Sr. #	Questions	Answers Choice
1	Temporary hardness is because of .	Ca(HCO<sub>3</sub>)<sub>2</sub> CaCO<sub>3</sub> MgCO<sub>3</sub> MgSO<sub>4</sub>
2	Water dissolves non-ionic compound by	Ion-ion forces Ion-dipole forces Dipole -dipole forces Hydrogen bonding.
3	Specific heat capacity of water is.	4.2 KJg<sup>-1</sup> K<sup>-1</sup> 4.2 Jg<sup>-1</sup>K<sup>-1</sup> 2.4 KJg<sup>-1</sup>K<sup>-1</sup> 2.4 Jg<sup>-1</sup>K<sup>-1</sup>
4	Which one of the properties of water is responsible for rising of water plants?.	Specific heat capacity Surface tension Excellent solvent action Capillary action.
5	Hookworm is a parasite that infects the:	large intestine small intestine stomach liver
6	Fertilizers are used to make up the deficiency of;	oxygen and carbon iron and magnesium nitrogen and phosphorus hydrogen and calcium
7	Mercury poisoning cause:	neurological damage high blood pressure kidney damage gastro
8	The chemical used in Clark's method is:	CaO slaked lime(Ca(OH)s) washing soda sodium zeolite
9	Water become hard because of:	Ca+2 Mg+2 SO-24 all of these
10	The water which produces good lather with soap is called:	soft water hard water heavy water typical water
11	Water molecule had a structure;	non-polar polar ionic tetrahedral
12	Which process is responsible for ascending of water in roots:	evaporation transpiration condensation capillary action