Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Ionosphere Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Nitric acid Ozone Sulphuric acid Carbon monoxide Nitric acid Ozone Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Zinc Fluorine Lithium Oxygen Zinc Fluorine Lithium Oxygen ANSWER DOWNLOAD EXAMIANS APP
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