Question

15
A) Fill in the blanks.
i) The ratio gearth/gmoon is equal to
ii) The d-block elements are called
B) Complete the following.
i) 2H2 + O2 + 2H2O: Combination reaction :: 2Hgo → 2Hg + O2
C) State wehther the following statements is true or false.
i) In India, the frequency of AC is 100 Hz.
ii) The weight of a body is maximum at the poles.
D) Find the odd man out.
i) Oxygen, Neon, Argon, Helium.
II) Choose the correct alternative.
(5)
i) In a chemical equation, the are written on the right hand side.
a) products b) reactants c) catalysts
d) elements
ii) The device used for producing a current is called.
a) a voltmeter b) an ammeter c) a galvanometer d) a generator
iii) How much will a person with 66N weight on the earth. Weighs on moon?
a) 12N
b) 11 N
c) 10 N
d) 13 N
iv) The number of electrons in the outermost shell of alkaline metals is
a) 1
b) 2
is passed through fresh lime water, it turns milky.
a) H,
b) CO
c) CO,
d) SO
c) 3
d) 4
V) When
ALL​

Answer 1

Answer: Can you write the questions properly

Explanation:

PLEASE