Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 8 5 3 13 8 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy NaF CsF RbF KF NaF CsF RbF KF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons None of these Protons Neutrons Electrons None of these Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Chromium Aluminium Tin Carbon Chromium Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP