Question

Which of the following is not true about an atom: *
1 point
(a) atoms are not able to exist independently.
(b) atoms are the basic units from which molecules and ions are formed.
(c) atoms are always neutral in nature.
2. Which of the following have maximum number of atoms? *
1 point
(a) 18g of H2O
(b) 18g of O2
(c) 18g of CO2
(d) 18g of CH4
3. Which of the following represents correct chemical formula? *
1 point
(a) CaCl
(b) AlPO4
(c) NaSO4
(d) NaS
4. Molar mass of glucose is *
1 point
(a) 200u
(b) 360u
(c) 180u
(d) 240u
5. Match the following: *
4 points
1.2044 X 10^24 16 32 2.65 X 10^-23
mass of one atom of oxygen
mass of one moecule of oxygen
number of atoms in one mole of oxygen molecule
mass of one ion of oxygen
​

Answer 1

Answer:

smriti and neela_____(has/have) swam in the river.