General Science In which of the following activities silicon carbide is used? Cutting very hard substances Making casts for statues Making cement and glass Disinfecting water of ponds Cutting very hard substances Making casts for statues Making cement and glass Disinfecting water of ponds ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
General Science The filament of an electric bulb is made of Tungsten Graphite Iron Nichrome Tungsten Graphite Iron Nichrome ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms of an element differ from those of all other elements in Number of neutrons and number of valence electrons. Number of neutrons and electronic configuration. Atomic number and number of valence electrons. Atomic number and electronic configuration. Number of neutrons and number of valence electrons. Number of neutrons and electronic configuration. Atomic number and number of valence electrons. Atomic number and electronic configuration. ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Niobium and Columbium Silicon and Germanium Iridium and Tungsten Boron and Aluminium Niobium and Columbium Silicon and Germanium Iridium and Tungsten Boron and Aluminium ANSWER DOWNLOAD EXAMIANS APP
General Science Monazite is an ore of Thorium Zinc Zirconium Iron Thorium Zinc Zirconium Iron ANSWER DOWNLOAD EXAMIANS APP
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