juristExamJul 3, 2020Important questions of scienceRated 0 out of 5 stars.No ratings yet1) What is the chemical name of laughing gas?Answer - Nitrous oxide (Inventor-Priestle)(2) Which gas mainly consists of cow dung gas?Answer: Methane(3) Which gases are in cooking gas?Answer: Propane, Butane(4) Which substance is shining and used in matches?Answer - Phosphorus P4(5) Which gas is used to cook fruits?Answer: Acetylene(6) Which method is adopted to determine the age of fossils?Answer - Carbon dating method(7) Kerosene oil in the lantern causes light to climb?Answer: Due to capillarity(8) Divers breathe with which mixture of gases?Answer: Oxygen and Helium(9) Which gas leak occurred in Bhopal gas accident?Answer: Methyl iso cyanate(10) The purest form of water is?Answer: Rain water(11) Because of which the drops of rain become round?Answer - Due to page stress(12) Which plant is used to make biodiesel?Answer: Ratanjot (Jatropha)(13) Who discovered gravity?Answer: Newton14. What acid is in vinegar and pickle?Answer: acetic acid(15) Which acid is present in lemon and orange?Answer: Citric acid(16) is found in the ink to be put in the hands of voters?Answer: Silver Nitrate(17) Earth rotates on its axis?Answer: Northwest to east(18) The smell of onion and garlic is due toAnswer: Due to potassium(19) Who discovered x-rays?Answer - Rontzen(20) Measure the depth of the sea?Answer: From Altimeter(21) DNA Given the model of the structure?Answer: Watson and Crick(22) The first element to be formed in a laboratory isAnswer: Urea(23) Who discovered penicillin?Answer: Alexander Fleming(24) Who has discovered smallpox vaccine?Answer - Edward Jenner(25) Largest bone?Answer: femur(26) What is the smallest bone?Answer - Steps(27) Which vitamin contains cobalt?Answer - B-12(28) Ratodhi disease is caused by deficiency of which vitamin?Answer: Vitamin-A(29) Which disease is caused by vitamin B deficiency?Answer - Berry Berry(30) Who discovered the rabies vaccine?Answer - Louis Pasteur(31) X rays?Answer: Electromagnetic rays(32) The reason for the formation of the rainbow?Answer: Refraction(33) If we look at the sky from the moon, what will it look like?Answer: Black(34) Used to cook raw fruits?Answer: Acetylene(35) Artificial rainfall occurs?Answer- Due to silver iodide(36) Which metal is found in liquid form?Answer: Mercury Hg(37) Measure atmospheric pressure?Answer: Barometer(38) Nuclear reactor has a temper?Answer: Heavy Water D2O(39) Fireworks have red color?Answer - Due to strontium(40) Fireworks have green color?Answer: Due to barium(41) What is water soluble vitamin?Answer - B, C(42) Are fat soluble vitamins?Answer - A, D, E, K(43) Why are the leaves green?Answer: Due to chlorophyll(44) Contains petrol?Answer: Hydrogen and Carbon(45) Are there primary colors?Answer: Red, Blue and Green
1) What is the chemical name of laughing gas?Answer - Nitrous oxide (Inventor-Priestle)(2) Which gas mainly consists of cow dung gas?Answer: Methane(3) Which gases are in cooking gas?Answer: Propane, Butane(4) Which substance is shining and used in matches?Answer - Phosphorus P4(5) Which gas is used to cook fruits?Answer: Acetylene(6) Which method is adopted to determine the age of fossils?Answer - Carbon dating method(7) Kerosene oil in the lantern causes light to climb?Answer: Due to capillarity(8) Divers breathe with which mixture of gases?Answer: Oxygen and Helium(9) Which gas leak occurred in Bhopal gas accident?Answer: Methyl iso cyanate(10) The purest form of water is?Answer: Rain water(11) Because of which the drops of rain become round?Answer - Due to page stress(12) Which plant is used to make biodiesel?Answer: Ratanjot (Jatropha)(13) Who discovered gravity?Answer: Newton14. What acid is in vinegar and pickle?Answer: acetic acid(15) Which acid is present in lemon and orange?Answer: Citric acid(16) is found in the ink to be put in the hands of voters?Answer: Silver Nitrate(17) Earth rotates on its axis?Answer: Northwest to east(18) The smell of onion and garlic is due toAnswer: Due to potassium(19) Who discovered x-rays?Answer - Rontzen(20) Measure the depth of the sea?Answer: From Altimeter(21) DNA Given the model of the structure?Answer: Watson and Crick(22) The first element to be formed in a laboratory isAnswer: Urea(23) Who discovered penicillin?Answer: Alexander Fleming(24) Who has discovered smallpox vaccine?Answer - Edward Jenner(25) Largest bone?Answer: femur(26) What is the smallest bone?Answer - Steps(27) Which vitamin contains cobalt?Answer - B-12(28) Ratodhi disease is caused by deficiency of which vitamin?Answer: Vitamin-A(29) Which disease is caused by vitamin B deficiency?Answer - Berry Berry(30) Who discovered the rabies vaccine?Answer - Louis Pasteur(31) X rays?Answer: Electromagnetic rays(32) The reason for the formation of the rainbow?Answer: Refraction(33) If we look at the sky from the moon, what will it look like?Answer: Black(34) Used to cook raw fruits?Answer: Acetylene(35) Artificial rainfall occurs?Answer- Due to silver iodide(36) Which metal is found in liquid form?Answer: Mercury Hg(37) Measure atmospheric pressure?Answer: Barometer(38) Nuclear reactor has a temper?Answer: Heavy Water D2O(39) Fireworks have red color?Answer - Due to strontium(40) Fireworks have green color?Answer: Due to barium(41) What is water soluble vitamin?Answer - B, C(42) Are fat soluble vitamins?Answer - A, D, E, K(43) Why are the leaves green?Answer: Due to chlorophyll(44) Contains petrol?Answer: Hydrogen and Carbon(45) Are there primary colors?Answer: Red, Blue and Green
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