Sunday, December 30, 2018
Science Quiz - 15
1. In the treatment of Cancer which allotrope of Carbon is used ?
2. Which allotrope of carbon has the highest hardness and thermal conductivity ?
2. Which allotrope of carbon has the highest hardness and thermal conductivity ?
Saturday, December 29, 2018
Nobel Prize in Chemistry 1914
The Nobel Prize in Chemistry 1914 was awarded to Theodore William Richards for his accurate determinations of the atomic weight of chemical elements.
Source: www.nobelprize.org
Science Quiz - 14
1. Which form of Carbon is used for the purification of gases ?
2. Which isotope of Carbon are used in lead pencil ?
2. Which isotope of Carbon are used in lead pencil ?
Nobel Prize in Chemistry 1913
The Nobel Prize in Chemistry 1913 was awarded to Alfred Werner for new field of Inorganic Chemistry i.e. Coordination chemistry.
Source : www.nobelprize.org
Science Quiz - 13
1. Which is the radio isotope of carbon ?
2. Which allotrope of Carbon is used in LEDs Smart phones and other electronic devices ?
2. Which allotrope of Carbon is used in LEDs Smart phones and other electronic devices ?
Friday, December 28, 2018
Nobel Prize in Chemistry 1912
The Nobel Prize in Chemistry 1912 was awarded to Victor Grignard for the discovery of the Grignard reagent, and Paul Sabatier for his method of hydrogenating organic compounds in the presence of finely disintegrated metals.
Source: www.nobelprize.org
Science Quiz - 12
1. Least reactive allotrope of phosphorus is _________ ?
2. Which allotrope of phosphorus is used in chemiluminescence ?
2. Which allotrope of phosphorus is used in chemiluminescence ?
Thursday, December 27, 2018
Nobel Prize in Chemistry 1911
The Nobel Prize in Chemistry 1911 was awarded to Marie Curie, née Sklodowska for the discovery of the elements radium and polonium.
Source: www.nobelprize.org
Science Quiz - 11
1. What is the name of Radioactive Halogen ?
2. Which disease is caused by the deficiency of Iodine ?
Wednesday, December 26, 2018
Nobel Prize in Chemistry 1910
The Nobel Prize in Chemistry 1910 was awarded to Otto Wallach in the field of alicyclic compounds.
Source: www.nobelprize.org
Nobel Prize in Chemistry 1906
The Nobel Prize in Chemistry 1906 was awarded to Henri Moissan for investigation and isolation of the element fluorine.
Source: www.nobelprize.org
Science Quiz - 10
1. Which gas used in swimming pool as a disinfectants?
2. What is the atomic mass of chlorine?
Answers
1. Chlorine
2. 35.5 amu
2. What is the atomic mass of chlorine?
Answers
1. Chlorine
2. 35.5 amu
Monday, December 24, 2018
Nobel Prize in Chemistry 1909
The Nobel Prize in Chemistry 1909 was awarded to Wilhelm Ostwald for his work on catalysis and for his investigations of principles of chemical equilibria and rates of reaction.
Source: www.nobelprize.org
Science Quiz - 9
1. What is the chemical formula of sulphur ?
2. Which type of smell found in H2S gas ?
Answers
1. S8
2. Rotten Egg smell (Black salt smell)
2. Which type of smell found in H2S gas ?
Answers
1. S8
2. Rotten Egg smell (Black salt smell)
Sunday, December 23, 2018
Nobel Prize in Chemistry 1908
The Nobel Prize in Chemistry 1908 was awarded to Ernest Rutherford for his investigations into the disintegration of the elements, and the chemistry of radioactive substances Rutherford also proposed the Atomic Model.
Source: www.nobelprize.org
Science Quiz - 8
1. What is the color of liquid OXYGEN?
2. What is the smell of OZONE gas?
Answers
1. Pale Blue
2. Fishy smell
2. What is the smell of OZONE gas?
Answers
1. Pale Blue
2. Fishy smell
Saturday, December 22, 2018
Nobel Prize in Chemistry 1907
The Nobel Prize in Chemistry 1907 was awarded to Eduard Buchner for his biochemical researches and discovery of cell-free fermentation.
Source: www.nobelprize.org
Science Quiz - 7
1.How many percentage of Nitrogen in Earth Atmosphere?
2.What is the Boiling point of Nitrogen?
Answers
1. 78.09 %
2. -195.8 degree celsius
2.What is the Boiling point of Nitrogen?
Answers
1. 78.09 %
2. -195.8 degree celsius
Friday, December 21, 2018
Science Quiz - 6
1.What is name of the radioactive inert gas?
2.What is the symbole of krypton ?
Answers
1. Radon
2. Kr
Answers
1. Radon
2. Kr
Thursday, December 20, 2018
Nobel Prize in Chemistry - 1905
The Nobel Prize in Chemistry 1905 was awarded to J.F. Wilhelm Adolf von Baeyer for the synthesis of Organic dyes and hydroaromatic compounds.
Source: www.nobelprize.org
Science Quiz - 5
1. Which Inert Gas is filled in Bulbs?
2. Which Gases are used for breathing in underwater diving?
Answers
1. Argon
2. Helium
2. Which Gases are used for breathing in underwater diving?
Answers
1. Argon
2. Helium
Wednesday, December 19, 2018
Science Quiz - 4
1. Which Inert gas is used in Advertising signals ?
2. Which Inert gas form compounds ?
Answers
1. Neon
2. Xenon
2. Which Inert gas form compounds ?
Answers
1. Neon
2. Xenon
Nobel Prize in Chemistry - 1904
The Nobel Prize in Chemistry 1904 was awarded to Sir William Ramsay for the discovery of the inert gaseous elements (Ne, Ar, Kr and Xe) in air.
Source: www.nobelprize.org
Nobel Prize in Chemistry - 1903
The Nobel Prize in Chemistry 1903 was awarded to S. August Arrhenius in recognition to his electrolytic theory of dissociation.
Source: www.nobelprize.org
Nobel Prize in Chemistry - 1902
The Nobel Prize in Chemistry 1902 was awarded to H.Emil Fischer for his research on sugar and purine syntheses.
Source: www.nobelprize.org
Nobel Prizes in Chemistry - 1901
The Nobel Prize in Chemistry 1901 was awarded to J.H.Van ‘t Hoff for the discovery of the laws of chemical dynamics and osmotic pressure.
Source: www.nobelprize.org
Science Quiz - 3
- Which of the following metals can be found in a pure state in nature?a) Lithiumb) Ironc) Goldd) Aluminum
- In refrigerators, the liquid used as refrigerant is
A. super-cooled water
B. liquid ammonia
C. liquid nitrogen
D. liquid carbon dioxide
Answers
1. (c) Gold
2. (b) liquid ammonia
Science Quiz - 2
१. एक द्रव धातु (liquid metal) का नाम बताइये ?
२. एक द्रव अधातु (liquid non-metal) का नाम क्या है ?
२. एक द्रव अधातु (liquid non-metal) का नाम क्या है ?
अपने उत्तर बताइए |
Answer
1. Mercury
2. Bromine
Answer
1. Mercury
2. Bromine
Science Quiz - 1
१. सबसे हलकी धातु (Lightest Metal) का नाम क्या है ?
२. सबसे भारी धातु (Heaviest Metal) का नाम क्या है ?
२. सबसे भारी धातु (Heaviest Metal) का नाम क्या है ?
अपने उत्तर बताइए |
Answer
1. Lithium
2. Osmium
Answer
1. Lithium
2. Osmium
Subscribe to:
Comments (Atom)
-
1.What is the chemical name of Vitamin B6? 2.What is the role of Vitamin B6 in our body?