Chemistry Chemical formula of washing soda is Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane 2-methyl octane iso-octane 3-methyl octane n-heptane 2-methyl octane iso-octane 3-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant Absorbent Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Sodium Chloride (NaCl) Dry Ice (Frozen CO2) Silver Iodide (Ag I) All of these Sodium Chloride (NaCl) Dry Ice (Frozen CO2) Silver Iodide (Ag I) All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
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