Users Also Read
Read MCQ's/Objective questions
MCQ's Search Engine
Chemical Engineering Basics
Chemical Engineering Plant Economic
Chemical Engineering Thermodynamic
Chemical Reaction Engineering & reactor design
Environmental Engineering
Fertiliser Technology
Fluid Mechanics
Fuels and Combustion
Furnace Technology
Heat Transfer
Mass Transfer
Materials and Construction
Mechanical Operations
Nuclear Power Engineering
Petroleum Refinery Engineering
Polymer Technology
Process Control and Instrumentation
Process Equipment and Plant Design
Refractory Technology
Stoichiometry
Home⇒ Engineering⇒
Chemical process industries chemical technology
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] ![]() ![]() vertical shaft rotary fluidised bed |
Q2 ⇒ Magnesium and calcium __________ cause temporary hardness of water. bicarbonates [other wrong options] [Discuss in forum] ![]() ![]() carbonates phosphates sulphates |
Q3 ⇒ Function of sodium thiosulphate (hypo) in development of photographic film/plate is to remove unexposed silver halide. [other wrong options] [Discuss in forum] ![]() ![]() brighten the faint images. remove metallic silver. convert silver chloride to silver. |
Q4 ⇒ Trinitrotoluene (TNT), an explosive, is made by the nitration of toluene [other wrong options] [Discuss in forum] ![]() ![]() nitrobenzene nitrotoluene benzene |
Q5 ⇒ More than 100 percent of __________ is present in oleum. H2SO4 [other wrong options] [Discuss in forum] ![]() ![]() SO3 H2SO3 SO2 |
Q6 ⇒ Le-Blanc process is a primitive process for the manufacture of soda ash [other wrong options] [Discuss in forum] ![]() ![]() caustic soda bromine from sea water hydrochloric acid |
Q7 ⇒ Type of glass used in optical work is the __________ glass. lead [other wrong options] [Discuss in forum] ![]() ![]() soda-lime fibre borosilicate |
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] ![]() ![]() substrate nutrient none of these |
Q9 ⇒ The basic constituent of vegetable oils is triglyceride [other wrong options] [Discuss in forum] ![]() ![]() fatty acids fatty alcohol mono esters |
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] ![]() ![]() Cl2 & Na Cl2 & H2 O2 & H2 |
Q11 ⇒ Commercially ethylene is produced from naphtha by hydrocracking. [other wrong options] [Discuss in forum] ![]() ![]() catalytic cracking. catalytic dehydrogenation. pyrolysis. |
Q12 ⇒ __________ acid is an unsaturated fatty acid. Oleic [other wrong options] [Discuss in forum] ![]() ![]() Palmitic Stearic Oxalic |
Q13 ⇒ __________ of quicklime produces slaked lime. Hydration [other wrong options] [Discuss in forum] ![]() ![]() Dehydration Hydrogenation none of these |
Q14 ⇒ Pick out the wrong statement. none of these. [other wrong options] [Discuss in forum] ![]() ![]() Dry process is used for the manufacture of cement, when the raw material is blast furnace slag. Portland cement is made employing wet process. Gypsum is added to portland cement to lengthen its setting time. |
Q15 ⇒ Commercial production of Vanaspati is done by __________ of edible vegetable oils. hydrogenation [other wrong options] [Discuss in forum] ![]() ![]() oxidation hydrolysis hydrocracking |
Q16 ⇒ Carboxymethyl cellulose (CMC) is added in detergents to prevent redeposition of soil on cleaned surface. [other wrong options] [Discuss in forum] ![]() ![]() act as optical brightening agent. inhibit corrosion in washing machines made of aluminium, none of these. |
Q17 ⇒ Thermoplastic materials none of these. [other wrong options] [Discuss in forum] ![]() ![]() do not soften on application of heat. are heavily branched molecules. are solvent insoluble. |
Q18 ⇒ Hydrazine (N2H4) is used mainly as a/an rocket fuel [other wrong options] [Discuss in forum] ![]() ![]() explosive detergents additive none of these |
Q19 ⇒ Refractory bricks burnt at very high temperature have got greater resistance to corrosion by slags. [other wrong options] [Discuss in forum] ![]() ![]() less resistance to corrosion by slags. high spalling tendency. none of these. |
Q20 ⇒ Maleic anhydride is produced by catalytic oxidation of benzene [other wrong options] [Discuss in forum] ![]() ![]() toluene ethyl alcohol naphthalene |
Or |