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Home⇒ Everyday Science GK⇒ Chemistry
Note:- You can add tough questions into your favourite list for second revision. |
Q81 ⇒ Which among the following is not a
natural occurring element? Neptunium [other wrong options] [Discuss in forum] Uranium Thorium Californium |
Q82 ⇒ The gas used in the manufacture of vanaspati from vegetable oil is hydrogen [other wrong options] [Discuss in forum] oxygen nitrogen carbon dioxide |
Q83 ⇒ Which of the following does not
belong to the halogen family? Morphine [other wrong options] [Discuss in forum] Chlorine Flourine Bromine |
Q84 ⇒ Which of the following is present in
hard water? Calcium [other wrong options] [Discuss in forum] Aluminium Sodium Chlorine |
Q85 ⇒ The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast [other wrong options] [Discuss in forum] Orissa coast West Bengal coast Gujarat coast |
Q86 ⇒ Which among the following gases is
used to manufacture chloroform? Methane [other wrong options] [Discuss in forum] Propane Ether Radon |
Q87 ⇒ What is the chemical name of
bleaching powder? Calcium hypochlorite [other wrong options] [Discuss in forum] Calcium carbonate Calcium phosphate Calcium cyanamide |
Q88 ⇒ Which among the following is not a
noble gas? Bromine [other wrong options] [Discuss in forum] Argon Radon Neon |
Q89 ⇒ The most malleable metal is gold [other wrong options] [Discuss in forum] platinum silver iron |
Q90 ⇒ The ore which is found in abundance in India is monazite [other wrong options] [Discuss in forum] fluorspar bauxite magnetite |
Q91 ⇒ The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 01-Aug [other wrong options] [Discuss in forum] 01-Jun 01-Mar 01-Apr |
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