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Synthetic rubber is made by polymerization of : Chloroform, Acetylene, Divinyl acetylene, Chloroprene
In the purification of potable water the coagulant used is : Nickel Sulphate, Copper Sulphate, Barium sulphate, Alum
Which of the following will have highest boiling point : Methane , Ethane , Propanal, 2-Hexanone
Which of following sulphates is not soluble in water : Sodium sulphate, Potassium sulphate, Zinc sulphate, Barium sulphate
Which set of hybrid orbitals has planer triangular shape : SP3, SP, SP2, DSP2
For which mechanism the first step involved is the same : El and E2, E2 and Sn2, SN1 and E2, E1 and SN1
Which element among the following belongs to Group IV A the periodic table :: Barium, Iodine, Lead, Oxygen
Which woody raw material is used for the manufacture of paper pulp : Cotton, Bagasse, Popular, Rice straw
Which one of the following enzymes bring about the hydrolysis of fats : Malrase, Zymase, Urease, Lipase
When sugar is treated with Conc. H2so4 it becomes black due to : Decolourization, Dehydration , Hydrolysis, Hydration
Acetmide is prepared by : Heating ammonium acetate, Heating methyl cyanide, Heating ethyl acetate, The hydrolysis of methy1 cy
The anhydride of HClO4 is : ClO3, ClO2, ClO5, ClO7
Which compound will have the maximum repulsion with water : C6H6, C2H5OH, CH3-CH2-CH2-OH2, CH3-O-CH3
Which one is true about melting point of halogens : Decreased down the group, increase down the group, Remain same in group, First increase then decreas
Amongst the following the compound that can be most readily sulphonated is : Toluene, Benzane, Nitrobenzene, Chlorobenzene
Which is most difficult to oxidize : C2H5CHO, CH3CHO, HCHO, CH3COCH3
Which compound is prepared by stadeler process : K2CrO7, KMnO4, K2CrO4, K2MnO4
Keeping in view the size of atoms, which order is the correct one : Mg > Sr, Ba > Mg, Lu > Ce, Cl >l
Which is not an alkali metal : Francium, cacsuim, rubidium, radtm
Which metal is used in the thermite process because of its activity : Iron, Copper, Aluminium, Zinc
Laughing gas is chemically : No, N2o, NO2, N2O4
Which hydrogen halide is the weakest acid in solution : HF, HBr, HI, HCl
The strength of building energy of transition element depend upon: Number of electron pair, Number of Unpaired electron, Number of neutrons, Number of protons
The state of hybridization of carbon atom in methane is : SP3, SP2, SP, DSP2
Beta -beta - dichlorethyl sulphide is commonly known as : Mustard gas, Laughing gas, Phosphene gas , !
Benzene cannot undergo : Substitution reaction, Addition reaction, oxidation reaction, Elimination reaction
When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is : Propane, Propanoic acid, Propanal, Propanol
Which compound shows hydrogen bounding ? C2H6, C2H5Cl, CH3-O-CH3, C2H5OH
Cannizzaros reaction is not given by : Formaldehyde, Acetaldehyde, Benzaldehyde, Trimethyl acetaldehyde
Which reagent will react with both aldehydes and ketones ? Grignards reagents, Tollens reagent, Fehling reagent, Benedicts reagent
Which derivation cannot be prepared directly from acetic acid : Acetamide, Acetyl chloride, Acetyl anhydride, Ethyl acetate
Which enzyme bring about the hydrolysis of fats ? Urease, maltase, Zymase, Lipase
Which woody raw material is used for the manufacture of paper pulp : Cotton, bagasse, Popular, Rice straw
The main pollutant of leather tanneries in the waste water is due to the salt of : Lead, Chromium, Copper, Chromium(III)