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The Nobel Prize in physics 1921 is awarded to Albert Einstein "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect". Albert Einstein received his Nobel Prize one year later, in 1922.
Terylene is a condensation polymer of ethylene glycol and which acid?
The reaction of an aldehyde with Tollens’ reagent results in:
Bleaching powder is represented as ______.
Which of the following isotope of hydrogen is radioactive in nature?
In a compound, the elements are always present in definite proportions by:
The orbital velocity of a satellite depends on:
Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
Which reaction represents the correct method of extracting iron from its ore in a blast furnace?
What is the pH of a neutral solution at 25°C?
Biofertilizers convert nitrogen to:
