Chemistry is the study of the substances that make up matter. It looks at their properties, how they react with each other, and how these reactions can create new substances.
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Question 531:
The contact process is used for the industrial production of
Options:
A) sulfuric acid (H2SO4)
B) Hydrochloric acid (HCl)
C) Sodium hydroxide (NaOH)
D) Calcium oxide (CaO)
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The correct answer is A .
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Question 532:
The gas that is removed by the water in the flask is
Options:
A) O2
B) SO2
C) HCI.
D) H2
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The correct answer is C .
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Question 533: Which of the following is NOT a true statement of the kinetic Theory of Gases?
Options:
A) The molecules move at random
B) The size of molecules is negligble as compared with the volume of gas
C) The molecular collisions are perfectly elastic
D) Every molecule has the same kinetic energy at a particular temperature
E) The average kinetic energy is proportional to the absolute temperature of the gas
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The correct answer is D .
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Question 534:
The collision theory explains reaction rates in terms of
Options:
A) size of the product
B) frequency of collision of the reactants
C) size of reactant
D) frequency of collision of the products
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The correct answer is B .
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Question 535: The equilibrium of an endothermic reaction which proceeds with an increase in volume can be shifted in the reverse direction by
Options:
A) increasing the temperature and decreasing the pressure
B) increasing the pressure and increasing the temperature
C) decreasing the temperature and increasing the pressure
D) decreasing the pressure and decreasing the temperature
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The correct answer is C .
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Question 536: A solution X on mixing with AgNO3 solution, gives a white precipitate solution in NH3. A Solution Y, when added to X, also gives a white precipiate which is soluble on boiling. Solution Y contains?
Options:
A) Ag+ion
B) Pb2+ion
C) Pb4+ion
D) Zn2+ion
E) Al3+ion
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The correct answer is B .
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Question 537: Which group of elements forms hydrides that are pyramidal in structure?
Options:
A) III
B) IV
C) V
D) VI
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The correct answer is C .
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Question 538: 2-methylprop-1-ene is an isomer of
Options:
A) but-2-ene
B) pent-1-ene
C) 2-methylbut-2-ene
D) 2-methylbut-1-ene
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The correct answer is A .
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Question 539: A piece of metal (M) is dissolved in nitric acid and the resulting solution is treated with a small quantity of sodium hydroxide to produce a white precipitate (B) which redissolves on the addition of excess alkali. The precipitate (B)when ignited in a crucible produces the oxide of the metal(m). The METAL M is
Options:
A) Zn
B) Cu
C) Al
D) Au
E) Ca
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The correct answer is A .
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Question 540:
Use the following option above to answer this question. Which of the following is the functional group of carboxylic acids?
Options:
A) A
B) B
C) C
D) D
E) E
Show Answer
The correct answer is D .