Question

Manas Tuition Classes Wardha
Time : 2h
Test paper
Mark - 48
24
Q.1) Fill in the blanks correct alternative
Interia, Centroid Principal Escape velocity, Focl, Atomic masses, law of octaves, Protons, 18,
Germanium, oxygen 7, P. black, group - 2, Water, Physical, Enzymes, Ozone, Decomposition,
Antioxidants Oxidation.co, Hydrogen, Ripening of fruits, )
A) in which block of the modern periodic table are the nonmetals found?
Group
b) The modern periodic table consists of
Is the first elements of group 16
d) in Dobereiner strides, atomic mass of the middle elements was approximately equal
to the mean of the
of the other two elements
el There are
electrons in the outermost shell of an atom of chlorine
The law used by Newlands to arrange elements is known as
g) Atomic number (2) of an elements is the number of present in the nucleus of
an atom of that elements
h) Alkaline earth metals have valency 2 This means that their position in the modern
period table is in
In our body Increase the rate of physiological reaction
1) The composition of matter remains the same in a
Change
k) The Layer in the earth's atmosphere protect the life on earth from the harmful
ultraviolet radiations of the sun
1) Rancidity in the food stuff cooked in oil or ghee is prevented by using
m) The melting of ice is an
process
n) The reaction in which there is only one reactant giving rise to two or more products is
called a
reaction
o) The chemical process in which the positive charge on an atom or an ion increases or
the negative charge on them decreases is called
p)
is a chemical change
Is passed through fresh lime water, it truns milky
s) When aluminium metal reacts with dilute hydrochloric acid, gas liberated
t) According to newton's first law, mass is the measure of of an object
u) The centre of a mass of any object having uniform density is at its
v) Sir Isaac newton gave his laws of motion, equation of motion and theory of gravity in
his book
w) The orbite of a plante is an ellipse with the sun at one of the
a) when​

Answer 1

Answer:

according to Newtown first law

the orbit of a planet is an ellipse with the sun at one of the