Question #82436
Presence of _____________ hardness is responsible for the temporary hardness in water?
Options:
Answer:
Presence of Calcium hardness is responsible for the temporary hardness in water.
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Chemical Engineering Related Questions
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Q1.A beam of uniform strength has:
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Q2.The temperature at which the magnetic property of iron disappears (i.e., it becomes nonmagnetic) and its electrical conductivity & specific heat also changes, is called the ‘Curie point’, which is ________________ °C ?
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Q3.Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?
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Q4.With increase in temperature, the electrical conductivity of semiconductors_____________________?
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Q5.The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process ?
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Q6.Filler material used in welding should have _________________ as compared to the parent metal to be welded ?
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Q7.Satellites burn off during re-entry to earth’s atmosphere, because of the ____________________?
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Q8.About _________________ ton of coke is required in a cupola to produce one ton of casting ?
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Q9.Joining of thin foils is preferred to be done by _____________________?
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Q10.Laser welding is widely employed in the __________________ industries ?
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