Chemistry Rutherford’s scattering experiment proved the presence of Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 4.05 gram 5.05 gram 3.05 gram 2.05 gram 4.05 gram 5.05 gram 3.05 gram 2.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Helium Neon Hydrogen Argon Helium Neon Hydrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent ANSWER DOWNLOAD EXAMIANS APP