Question

S.S.P.M's
-M-
Term Exam (2020-21)
subject - Science I
Marks: 40
ene blanks,
13)
works on the principle of electromagnetic induction
1. 2Mg+ 02-----
2. CuSO4+ Fe-----
12
3. K2CrO4+ BaSO4----
B)Rethe followingwrite statements by selecting the correct options. 05
1) If washing soda is added to . Hewater heat is liberatednce it is reaction.
a) exothermic
b) endothermic
c) simple
2) Mixture of several indicators is known as.---------- indicator
a) natural
b) synthetic
chemiversal
3) Number of electrons in the outermost shells of alkali metals is
b) 2
4) B. We can see the Sun even when it is little below the horizon becau
c) 3 d) 7
a. Reflection of light
b. Refraction of light
c. ii. Dispersion of light
d. Absorption of light
5) If a ray of light incident from a denser medium passes through
straight 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, Shirur
instance in whose presence the rate of chemical reaction changes is called as
dern periodic table consist of......periods.
Ate the following reactions any 2​

Answer 1

Answer:

I can't give the answer sorry. ...