Start learning 50% faster. Sign in now
The number of atoms of ANY substance in a volume is: # of atoms = N × (density) × volume / (Molecular Weight). N is a constant called Avogadro's number and its equal to 6.022×1023 atoms/mole. It can also be molecules per mole. Avogadro's number is a proportion that relates molar mass on an atomic scale to physical mass on a human scale. Avogadro's number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance. It is equal to 6.022 × 1023 mol-1 and is expressed as the symbol NA.
Select the correct direct form of the given sentence.
The surgeon says that I should get anaesthesia for the surgery.
My son said to me, "I will not disappoint you."
Choose the option that is the indirect form of the sentence.
Jaya told me “I’ve been waiting for you since 4 pm.”
The Queen ordered the ministers to cut off the prisoner's head.
My boss asked me that why I was late that day.
He glanced at his watch, "And by the way, I must be off."
The organisers will give you a certificate.
Change the following sentence to Indirect Speech.
"You are welcome to stay a few days, Uncle Bill," I said quickly.
Choose the option that is the indirect form of the sentence.
The judge said to Jia, “Stand in the witness box.”
Choose the option that is the direct form of the sentence.
Vikas said to Navin that he hadn’t met him since February the previous year.