Question # 1

The number of electrons in the M shell of the element with number 24 is

Choose an answer

24

12

13

8

If N_A is Avogadro's number then number of valence electrons in 4.2 g of nitride ions N^3-is

Choose an answer

2.4 N_A

4.2 N_A

1.6 N_A

3.2 N_A

The formula of nitre is

Choose an answer

KNO₃

NaNO₃

NaCI

Na₂CO₃

Heating a micture of sodium benzoate and soda lime gives

Choose an answer

Benzene

Methane

Sodium benzoate

Calcium benzoate

Gooch crucible is used for the filtration of precipitates having

Choose an answer

High solubility

High concentration

High ignition temperature

Low temperature

Causticisation process is used for the preparation of

Choose an answer

Caustic soda

Caustic potash

Baryata solution

Slaked lime

The number of unpaired electrons in the P-subshell of oxygen atom

Choose an answer

1

2

3

4

Which of the following represents elements in order of increasing atomic size?

Choose an answer

I,Br,CI

Na,Mg,C

C,N,O

Li,Na,K

Gooch crucible used to filter the solution of

Choose an answer

H₂SO₄

HCI

KMnO₄

Both B & C

More Classes

Other Links

NAT I Medical Chemistry MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer