Chemistry Gas released during Bhopal tragedy was : Ethyl isothiocyanate Sodium isothiocyanate Potassium isothiocyanate Methyl isothiocyanate Ethyl isothiocyanate Sodium isothiocyanate Potassium isothiocyanate Methyl isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum Soda powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed Sulphuric acid is consumed Lead is formed SO2 is evolved Lead sulphate is consumed Sulphuric acid is consumed Lead is formed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–5 – 10–7cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–8 – 10–10cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP