Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Photons Mesons Quarks Leptons Photons Mesons Quarks Leptons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will be doubled Will increase four-fold Will be reduced to half Remains unchanged Will be doubled Will increase four-fold Will be reduced to half ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Phosphorus Hydrogen Sulphur Carbon Phosphorus Hydrogen Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Nichrome Silver Copper Iron Nichrome Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Magnetite Pyrolusite Siderite Galena Magnetite Pyrolusite Siderite ANSWER DOWNLOAD EXAMIANS APP
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