Find the odd one:
1 Marble
2 Chalk
3 Limestone
4 Slaked lime
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Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization
precautions to be observed while using electrical equipment
In which year the solar observatory in kodikanal founded?
difference between typewriter and computer?
describe the function of muscles
Which scientists gave detailed information about nebula?
When a person sends a message to someone with the Internet, there are steps that happen to the recipient to receive the message. How does the recipient know that the message was not edited by someone else?
How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap
Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these