Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S 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 Phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine Amino phenyl alanine Phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is K Ca Na Mg K Ca Na Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP