Chemistry Who is known as the 'father of modern chemistry' Robert Boyle Antoine Lavoisier Democritus John Dalton Robert Boyle Antoine Lavoisier Democritus John Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Krypton Argon Neon Helium Krypton Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? H2 O2 N 2 He H2 O2 N 2 He ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 6.5-7 44052 7.5-8 4.5-5 6.5-7 44052 7.5-8 4.5-5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Pig iron Stainless steel Wrought iron Steel Pig iron Stainless steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
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