Question

. Draw the Lewis dot structure to show the formation of CaCl2. Name the bonding exhibited in the
compound
16. (a)What happens when Calcium reacts with water? Write the reaction.
(b) Write the reaction of iron with water.
(c) Write the reaction taking place between Al2O3 and NaOH?
(d) Give example of a metal, which is best conductor of heat.
(e) Name the metal which is liquid at room temperature.
PHYSICS
Multiple Choice Questions
17. The phenomenon of electromagnetic induction is
(1x6=
(a) the process of charging a body.
(b) the process of generating magnetic field due to a current passing through a coil.
(c) producing induced current in a coil due to relative motion between a magnet and the coil.
(d) the process of rotating a coil of an electric motor.
18. Joule/coulomb is the same as
(a) watt
(b) volt
(c) ampere
(d) ohm
19. The magnetic field lines inside a long current-carrying solenoid are nearly
(a) straight (b) circular (c) parabolic (d) elliptical
20. The resistance of 109 and 2012 are arranged in series across 220 volt supply, then the heat produced b
hour will he
(d) 29.04 kJ​

Answer 1

Answer:

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