Which of the following is commonly called a polyamide ?
A. Rayon B. Nylon C. Terylene D. Orion
Everyday Science MCQs
Which of the following is not a chemical reaction ?
A. Burning of coal B. Conversion of water into steam C. Digestion of food D. Burning of paper
Which of the following is used in beauty parlours for hair setting?
A. Silicon B. Chlorine C. Sulphur D. Phosphorus
Which one of the following is not a radioactive element ?
A. Cadmium B. Thorium C. Radium D. Uranium
Which of the following is the world’s loudest bird ?
A. White bellbird B. Peacock C. Piha D. None of the above
Which one of the following non-metals is not a poor conductor of electricity?
A. Sulphur B. Selenium C. Bromine D. Phosphorus
Eletromagneticism is the branch of___________?
A. Chemistry B. Physics C. Both D. None of these
Second name of ethyl alcohol is___________?
A. Ethene B. Ethanol C. Propyle D. none
Transistor is a device that convert weak signal into__________?
A. small signal B. strong signal C. both D. none
Dioptre is a unit of measurement for __________ ?
A. Current B. Lens C. Force D. Focal Length A dioptre is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.