Explore our extensive collection of questions and answers to enhance your learning experience and prepare for exams effectively
The scientific name of Vitamin B6 is pyridoxine. The deficiency of B6 causes Anaemia.
John Walker – Match box, Michael Faraday – BHC, Charles Tennant – Bleaching powder.
Quick silver – Mercury
King of metals -Gold
Little silver – Platinum
Monochromatic means (of light or other radiation) of a single wavelength or frequency.
Coal workers’ pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long exposure to coal dust. It is common in coal miners and others who work with coal. It is similar to both silicosis from inhaling silica dust and to the long-term effects of tobacco smoking
Breakbone fever: Also known as dengue fever, an acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache, fever, prostration, severe joint and muscle pain, swollen glands (lymphadenopathy) and rash.
Tuberculosis is known as the king of diseases.
Arsenic – most poisonous substance.
Sulphur dioxide – Gas using for acid rain.
Borax – main component of stiff and shine.
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is 299,792,458 metres per second.
the pendulum clock was invented in 1656 by Dutch scientist and inventor Christiaan Huygens, and patented the following year. Huygens contracted the construction of his clock designs to clockmaker Salomon Coster, who actually built the clock.