Chemistry The gas used for artificial fruit ripening of green fruit is Ethylene Acetylene Methane Ethane Ethylene Acetylene Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Potassium Sodium, Magnesium Sodium, Calcium Calcium, Magnesium Sodium, Potassium Sodium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Coal Biomass Lignite Petroleum Coal Biomass Lignite Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C 2 3 1 A B C 3 1 2 A B C3 2 1 A B C 2 1 3 A B C 2 3 1 A B C 3 1 2 A B C3 2 1 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 18 21 13 15 18 21 13 15 ANSWER DOWNLOAD EXAMIANS APP