Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel 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 Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A mixture of two liquids A solid dissolved i water A solid dissolved in a liquid A homogeneous mixture of two or more substances A mixture of two liquids A solid dissolved i water A solid dissolved in a liquid A homogeneous mixture of two or more substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Copper, lead Sodium, lead Lead, zinc Tin, lead Copper, lead Sodium, lead Lead, zinc Tin, lead ANSWER DOWNLOAD EXAMIANS APP