HARD
Earn 100

Match the following -
Radioisotopes Uses
a. Iodine-123 :1. Leukemia
b. Cobalt -60 : 2. To trace the flow of blood
c. Sodium -24 :3. Brain imaging
d. Phosphorus-32 : 4. Treatment of Cancer

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Important Questions on Sets, Relations and Functions

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Cathode rays when obstructed by metal cause emission of _____.
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Isotopes differ in _____.
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Hydrogen Bomb principle is based on _____.
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On which principle does the Nuclear Power Plant work?
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What is the maximum number of electrons that the outermost shell can have?
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The difference between Isotopes of an element is due to the presence of which different numbers?
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The size of atom when going from sodium to chlorine _____:
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The total number of images formed by two mirrors inclined at 120° to each other is ......
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In nuclear reactors, which of the following is used as a moderator?
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Which of the following is/are false:
A. For a balanced equation, the number of atoms for each element in the reaction is the same for both the reactants and the products. 
B. For an unbalanced chemical reaction, the number of atoms for one or more elements in the reaction is not the same for both the reactants and products. 

 
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The mass of 0.6 atom of nitrogen is_____:

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The force that a neutron exerts on a proton inside an atom is _____:

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Graphene is:
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A hydrogen bomb is based on the principle of:
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Einstein was awarded the Nobel Prize for-
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______ are also known as heat waves.
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How many types of isotopes does Scandium have?
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Valency of sulphur _____:

 
MEDIUM
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What is the maximum number a electrons that can be present in a shell represented by shell number 'n'?
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Who propounded the theory of Relativity?