Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 3 4 6 7 3 4 6 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Amino phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Hydroxy phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Hydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Paraffin was and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid Paraffin was and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Carbon monoxide Nitrous oxide Sulphur dioxide Carbon dioxide Carbon monoxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Electrons Neutrons Neutrons and protons Protons Electrons Neutrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
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