General Science Permanent hardness of water may be removed by the addition of Alum Potassium Permanganate Sodium Carbonate Lime Alum Potassium Permanganate Sodium Carbonate Lime ANSWER DOWNLOAD EXAMIANS APP
General Science Potassium nitrate is used in Salt Medicine Glass Fertilizer Salt Medicine Glass Fertilizer ANSWER DOWNLOAD EXAMIANS APP
General Science Which among the following is a positively charged particle emitted by a radioactive element? Alpha ray Cathode ray Beta ray Gamma ray Alpha ray Cathode ray Beta ray Gamma ray ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and protons Electrons only Protons only Electrons and Nuclei Electrons and protons Electrons only Protons only Electrons and Nuclei ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science Carbon, diamond and graphite are together called Allotrope Isomers Isotopes Isomorphs Allotrope Isomers Isotopes Isomorphs ANSWER DOWNLOAD EXAMIANS APP
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