what is center of gravity?
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The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
What is the Ecology ?
why is ohms law not followed in long transmisson lines
first aid to person affected with electrical shock
Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these
Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline
Arihant was commissioned on which day?
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
When and where was the tata institute of fundamental research founded?
Which of the following reactions is used for increasing the number of carbon atoms in a chain? 1 Substitution reaction 2 Wurtz reaction 3 Friedel – Crafts reaction 4 Cannizzaro’s reaction
What is the Biology ?
The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide