QuestionKart - Questions

cds- Question :

Confirmation of the presence of higgs boson will justify

A :

both the standard model and superstring theory

B :

the unification of all the four fundamental forces

C :

the steady-state model of the universe

D :

the mass of the fundalmental particles

cds- Question :

What is the number of atoms in 46 g of sodium-23 (N= Avogadro constant)?

A :

(a) N/2

B :

(b) N

C :

D :

(d) 23N

cds- Question :

How many hydrogen atoms are contained in 1:50 g of glucose (C6H1206)

A :

3.01 × 1022

B :

1.20 × 1023

C :

2.40 × 1023

D :

6.02 × 1022

cds- Question :

How many moles of CO can be obtained by reacting 2:0 mole of CH, with 2:0 mole of Og according to the equation given below

CH, (g) +50, + CO+2H,

A :

(a) 2-0

B :

(b) 0-5

C :

D :

(d) 4:0

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