Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Sewage Insecticides Leaded gasoline Tobacco Sewage Insecticides Leaded gasoline Tobacco ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 88 314 138 50 88 314 138 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134 C A D B C A D B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Steam Diesel Batteries Petrol and oxygen Steam Diesel Batteries Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Evaporation Distillation Decantation Sublimation Evaporation Distillation Decantation Sublimation ANSWER DOWNLOAD EXAMIANS APP
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