Chemistry Ruby and sapphire are oxides of Copper Aluminium Iron Tin Copper Aluminium Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is the lightest gas It is highly inflammable It is absorbed by plants It immediately combines with oxygen to form water It is the lightest gas It is highly inflammable It is absorbed by plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Copper Titanium Iron Aluminium Copper Titanium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Propane Methane Ethane Butane Propane Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese None of these Magnesium Calcium Manganese None of these Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP