Chemistry The material which can be deformed permanently by heat and pressure is called a polymer chemical compound thermoplastic thermoset polymer chemical compound thermoplastic thermoset ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From brown to blue-black From blue to pink From brown to orange-red From pink to blue-green From brown to blue-black From blue to pink From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Acetic acid Formic acid Propionic acid Butyric acid Acetic acid Formic acid Propionic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
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