Chemistry Which type of fire extinguisher is used for petroleum fire ? Soda acid type Foam type Powder type None of these Soda acid type Foam type Powder type None of these 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 Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and neutrons Protons Electrons Protons and electrons Protons and neutrons Protons Electrons Protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Foam Salt Soap Calcium Foam Salt Soap Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Tin Chromium Carbon Aluminium Tin Chromium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
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