Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon 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? Titanium Copper Iron Aluminium Titanium Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Rodenticide Herbicide Deodorant Fungicide Rodenticide Herbicide Deodorant Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Methane Ethane Butane Propane Methane Ethane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP