General Science Permanent hardness of water may be removed by the addition of Alum Potassium Permanganate Lime Sodium Carbonate Alum Potassium Permanganate Lime Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is an element? Ruby Sapphire Diamond Emerald Ruby Sapphire Diamond Emerald ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following was to be discovered first in the chromospheres of the sun? Xenon Neon Helium Krypton Xenon Neon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
General Science Heavy water is Tritium oxide Deuterium oxide PH7 Rain water Tritium oxide Deuterium oxide PH7 Rain water ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms of an element differ from those of all other elements in Atomic number and electronic configuration. Number of neutrons and electronic configuration. Number of neutrons and number of valence electrons. Atomic number and number of valence electrons. Atomic number and electronic configuration. Number of neutrons and electronic configuration. Number of neutrons and number of valence electrons. Atomic number and number of valence electrons. ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used in pencils? Charcoal Phosphorous Graphite Silicon Charcoal Phosphorous Graphite Silicon ANSWER DOWNLOAD EXAMIANS APP