S.S.P.M's -M-Term Exam (2020-21)subject - Science IMarks: 40ene blanks,13)works on the principle of electromagnetic induction1. 2Mg+ 02-----2. CuSO4+ Fe-----123. K2CrO4+ BaSO4----B)Rethe followingwrite statements by selecting the correct options. 051) If washing soda is added to . Hewater heat is liberatednce it is reaction.a) exothermicb) endothermicc) simple2) Mixture of several indicators is known as.---------- indicatora) naturalb) syntheticchemiversal3) Number of electrons in the outermost shells of alkali metals isb) 24) B. We can see the Sun even when it is little below the horizon becauc) 3 d) 7a. Reflection of lightb. Refraction of lightc. ii. Dispersion of lightd. Absorption of light5) If a ray of light incident from a denser medium passes throughstraight line, the angle of incidence must be(a) o(b) 30(d) 90°Answer any two of the following.sed in an electric bulb-sto disappearin(c) 60°Dhariwal English Medium School, Shirurinstance in whose presence the rate of chemical reaction changes is called asdern periodic table consist of......periods.Ate the following reactions any 2​