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Chemistry Test 31
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  • Question 1/30
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    By which a mixture of naphthalene and benzoic acid can be separated?
  • Question 2/30
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    Hydrogen sulphide is a
  • Question 3/30
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    High amount of energy is released in the explosion of atomic bomb is due to–
  • Question 4/30
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    What are the fundamental elements of an atom?
  • Question 5/30
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    Natural rubber is a polymer of–
  • Question 6/30
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    Which nuclear particles responsible for holding all nucleons together?
  • Question 7/30
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    Paper of old books turns to brownish color due to –
  • Question 8/30
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    Sodium carbonate crystals lose water molecules. What is this property called?
  • Question 9/30
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    Identify the metal which is non-toxic in nature–
  • Question 10/30
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    Which metal is protected by the layer of its own oxide?
  • Question 11/30
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    In which city of India, the diurnal range of temperature is maximum?
  • Question 12/30
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    In human body, into which does the pancreas secretes its enzymes?
  • Question 13/30
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    Heavy water used as a coolant in nuclear reactor. Heavy Water is:
  • Question 14/30
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    Nucleotide have same atomic number are called:
  • Question 15/30
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    Quartz is a type of
  • Question 16/30
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    The product equivalent weight and valiancy of an element is equal to–
  • Question 17/30
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    A Liquid is said to be boiled when its–
  • Question 18/30
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    Uranium eventually decays into a stable isotope of –
  • Question 19/30
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    Which one of the following Metals is used to Heat up the electric iron?
  • Question 20/30
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    Who does a liquid drop tend to assume a spherical shape?
  • Question 21/30
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    Which noble gas was discovered in chromosphere of the sun?
  • Question 22/30
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    Which gas do not considered as polluting agent of air?
  • Question 23/30
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    Soda water contains
  • Question 24/30
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    Iron and Manganese are removed by the process of–
  • Question 25/30
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    Which was the The first atomic power reactor in India?
  • Question 26/30
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    Which compound does not give a positive test in Lassaigne’s test for nitrogen?
  • Question 27/30
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    Which one of the following reacts with Fehling’s solution?
  • Question 28/30
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    When the radius of the T.G. coil is decreased, what does happen in its sensitiveness?
  • Question 29/30
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    Which of the following is responsible for extra strength of Pyrex glass?
  • Question 30/30
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    What is the principal reason for the formation of metamorphic rocks?
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