Question

Q12.True/False( Mark only true)
5 points
Formula for sulphur dioxide is SO3
Number of molecules in 32 gram of oxygen is 6.02x1023
Clusters of atoms that act as an ion is called polyatomic ion.
Mass of 1 mole of a substance is called its formula mass.
In a pure chemical compound, elements are always present in a definite proportion by
mass.​

Answer 1

$\huge{\underline{\tt{\orange{answer}}}}$

1. ❌
2. ✔
3. ✔
4. ✔
5. ❌

Answer 2

Answer:

first false , 2nd true , third true , false , true