1441 Octane number is 0 value for ___________? Chemistry Medium Full question → A iso-octane B n-hexane C n-heptane D iso-heptane
1442 The organic compound used as antiknock agent in petroleum is____________? Chemistry Medium Full question → A (C2H5 )4Pb B TNT C CH MgBr 3 D C 2 H 5 ) 2 Hg
1443 The petrol having octane number 80 has ____________? Chemistry Medium Full question → A 20% n- heptane + 80% iso-octane B 80% n- heptane + 20% iso-octane C 20% n- heptane + 80% n-octane D 80% n-heptane + 20% n- octane
1444 Ethene is the first member of __________? Chemistry Medium Full question → A Alkenes Family B Saturated hydrocarbon C Aromatic hydrocarbon D None of These
1445 Identify the Molecular mass for Glucose (C6H12O6) among the following. Chemistry Medium Full question → A 190amu B 188amu C 180amu D 98amu
1446 The molecular formula of Glucose is____________? Chemistry Medium Full question → A NH 3 B C 12 H 22 O 11 C C6H12O6 D C 6 H 6
1447 The molecular formula of Sucrose(Sugar) is___________? Chemistry Medium Full question → A NH 3 B C12H22O11 C C 6 H 12 O 6 D C 6 H 6
1448 The molecular formula of Methane gas is___________? Chemistry Medium Full question → A NH 3 B CH4 C CO 2 D C 6 H 6
1449 The oxidation of secondary alcohol gives ? Chemistry Medium Full question → A alkane B carboxylic acid C Acetylene D ketone
1450 If speed of gas molecules increases by twice on heating. What will be their kinetic energy? Chemistry Medium Full question → A increases by two times B increases by four times C decreases by two times D decrease by four times
1451 LiAlH4 converts Acetaldehyde into ___________? Chemistry Medium Full question → A Acetic acid B Methane C Ethyl alcohol D Methyl alcohol
1452 On oxidation, an alcohol gives an aldehyde having same number of carbon atoms as in alcohol, the alcohol is____ Chemistry Medium Full question → A Primary Alcohol B Secondary Alcohol C Tertiary alcohol D None of These
1453 An alcohol produced during the formation of a soap process. Chemistry Medium Full question → A Butanol B Ethylene glycol C Ethanol D Glycerol
1454 On reduction with LiAlH4 ,Ketone gives__________? Chemistry Medium Full question → A Primary Alcohol B Secondary Alcohol C Tertiary alcohol D None of These
1455 Alcohols of lower Molecular weight are _______________? Chemistry Medium Full question → A More Soluble in water B Insoluble in water C Soluble in water on heating D Insoluble in all solvents
1456 Identify the Lucas reagent among the following Chemistry Medium Full question → A Conc. HCl & Anhydrous ZnCl2 B Dil. HCl & hydrated ZnCl 2 C Conc. HNO 3 & Anhydrous ZnCl 2 D Conc. HNO 3 & Anhydrous MgCl 2
1457 Methyl alcohol on oxidation with acidified K2Cr2O7 gives__________? Chemistry Medium Full question → A CH3COOH B CH3CHO C HCOOH D CH3COCH3
1458 The reaction of C2H5OH with conc. H2SO4 does not give_________? Chemistry Medium Full question → A Ethene B Diethyl ether C Acetylene D Ethyl hydrogen sulphate
1459 In Periods from Left to right Electronegativity will: _________? Chemistry Medium Full question → A increase B decrease C constant D none of these
1460 The number of moles are present in 9.5g of CS2? Chemistry Medium Full question → A 1.5 B 0.25 C 0.125 D None of These