Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is high Its critical temperature is low Its ignition temperature is very low Its ignition temperature is very high Its critical temperature is high Its critical temperature is low Its ignition temperature is very low Its ignition temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is Uranium Diamond None of these Hydro-electricity Uranium Diamond None of these Hydro-electricity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Lactic acid Acetic acid Citric acid Tartaric acid Lactic acid Acetic acid Citric acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Flavouring agent Drying agent Delicious food Moisturizer Flavouring agent Drying agent Delicious food Moisturizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Benzaldehyde Acetaldehyde Formaldehyde Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde Cinnaldehyde ANSWER DOWNLOAD EXAMIANS APP