According to Dalton’s atomic theory, the smallest particle
which can exist independently is
1 An atom
2 A molecule
3 A cation
4 An anion
What are the important factors of cosmic rays?
need for proper earthing
'which country has 6 months night and 6 months day'
78 Answers Asefa, Goal Technologies, IHCL, Karibu, ONGC, TATA, UET,
What is the Botany?
Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide
Explain the Aesthetic and Moral values of Science
0 Answers Mahatma Gandhi University,
A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent
The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
Heavy water is 1 Sea water (H2O+Salt) 2 D2O 3 H2O2 4 None of these
What is one light second?
HELPS IN PROPAGATING RADIO SIGNALS