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| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ Calcination of limestone is not done in a __________ kiln for producing lime. fixed bed [other wrong options] [Discuss in forum] |
| Q2 ⇒ Magnesium and calcium __________ cause temporary hardness of water. bicarbonates [other wrong options] [Discuss in forum] |
| Q3 ⇒ Function of sodium thiosulphate (hypo) in development of photographic film/plate is to remove unexposed silver halide. [other wrong options] [Discuss in forum] |
| Q4 ⇒ Trinitrotoluene (TNT), an explosive, is made by the nitration of toluene [other wrong options] [Discuss in forum] |
| Q5 ⇒ More than 100 percent of __________ is present in oleum. H2SO4 [other wrong options] [Discuss in forum] |
| Q6 ⇒ Le-Blanc process is a primitive process for the manufacture of soda ash [other wrong options] [Discuss in forum] |
| Q7 ⇒ Type of glass used in optical work is the __________ glass. lead [other wrong options] [Discuss in forum] |
| Q8 ⇒ A bio-catalyst produced by living cells which acts independent of the cell is called a/an enzyme [other wrong options] [Discuss in forum] |
| Q9 ⇒ The basic constituent of vegetable oils is triglyceride [other wrong options] [Discuss in forum] |
| Q10 ⇒ What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ? Cl2, H2 & NaOH solution. [other wrong options] [Discuss in forum] |
| Q11 ⇒ Commercially ethylene is produced from naphtha by hydrocracking. [other wrong options] [Discuss in forum] |
| Q12 ⇒ __________ acid is an unsaturated fatty acid. Oleic [other wrong options] [Discuss in forum] |
| Q13 ⇒ __________ of quicklime produces slaked lime. Hydration [other wrong options] [Discuss in forum] |
| Q14 ⇒ Pick out the wrong statement. none of these. [other wrong options] [Discuss in forum] |
| Q15 ⇒ Commercial production of Vanaspati is done by __________ of edible vegetable oils. hydrogenation [other wrong options] [Discuss in forum] |
| Q16 ⇒ Carboxymethyl cellulose (CMC) is added in detergents to prevent redeposition of soil on cleaned surface. [other wrong options] [Discuss in forum] |
| Q17 ⇒ Thermoplastic materials none of these. [other wrong options] [Discuss in forum] |
| Q18 ⇒ Hydrazine (N2H4) is used mainly as a/an rocket fuel [other wrong options] [Discuss in forum] |
| Q19 ⇒ Refractory bricks burnt at very high temperature have got greater resistance to corrosion by slags. [other wrong options] [Discuss in forum] |
| Q20 ⇒ Maleic anhydride is produced by catalytic oxidation of benzene [other wrong options] [Discuss in forum] |
| Or |