Chemistry Galena is a mineral of Iron Calcium Gold Lead Iron Calcium Gold Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Chlorine Phosphorus Sulphur Oxygen Chlorine Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Calcium Nitrogen Oxygen Carbon Calcium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Nitric acid Sulphuric acid Ozone Carbon monoxide Nitric acid Sulphuric acid Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234 C D A B C D A B ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Oxygen Nitrogen Calcium Silicon Oxygen Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP