__________ is one of the allotropic modifications of carbon.
A. Silicon B. Diamond C. Iodine D. Graphite
Chemistry MCQs
When the radiation of light is passed through a prism, it undergoes __________?
A. reflection B. interference C. diffraction D. refraction
Petra means ______ ?
A. Petrol B. Sediment C. Rock D. Fuel
The radiations with highest speed are _______.
A. Alpha radiations B. Gamma radiations C. Beta radiations D. AOT Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies.
The radiations with negative charge are________.
A. Alpha radiations B. Gamma radiations C. Beta radiations D. positron The beta particle, which may be either negatively charged (negatrons) or positively charged (positrons), originates from the nucleus of an atom. A beta particle is emitted from the nucleus of an atom during radioactive decay. The electron, however, occupies regions outside the nucleus of … Read more
Which one of the following results in the discovery of proton.
A. Cathode rays B. Canal rays C. X-rays D. Alpha rays
Nitrate (NO3) ions are obtained by the process of __________?
A. Nitrification B. Fermentation C. Denitrification D. None of these
Hookworm is a parasitic worm that infects ______?
A. large intestine B. liver C. lungs D. small intestine
Who discovered carbohydrates fats and proteins?
A. William Prout B. Jons Jacob Berzelius C. Anselme Payen D. Walter Bradford Cannon
Milk tastes sour when kept in the open for sometime due to the formation of __________?
A. lactic acid B. citric acid C. acetic acid D. carbonic acid Lactic Acid Like many other things, milk contains bacteria, Milk also naturally contains a kind of sugar known as lactose. The bacteria that live in milk get energy from this special sugar and use it to reproduce to make even more bacteria. When … Read more