Question

1) WHAT IS THE TWELVE ELEMENT .

2) IS NEON A NOBLE GAS


3) (IN WHICH OF THESE ELEMENTS SYMBOLS ARE CORRECT)


i)SILICON SYMBOL IS( Si )

ii)SULPHUR SYMBOL IS (NA )

iii) SODIUM SYMBOL IS (S)

iv) PHOSPHORUS SYMBOL IS (P)


4) H2O ( ) what is the answer

a) surf
b) caustic soda
c) Hydrogen peroxide
d) water



5) I HAVE OPENED A JAR CONTAINING OF SOME GAS .SO TELL ME WILL IT HAVE COLOUR ; ODOUR ; AND ALSO TASTE .




NOTE : WHO WANT BRAINLIST THE PERSON SHOULD ANSWER ATLEAST 4 ANS PROPERLY ... SO ALL THE BEST


​

Answer 1

Answer:

1. magnesium

2. yes neon is noble gas

3 . all are correct

4.water

5.colour , odour