FREE ONLINE TEST - EAPCET CHEMISTRY

1 / 10

If 2 solutions have the same osmotic pressure at the same temperature, then:

they contain equal masses of solute

they have equal vapor pressure

their concentrations are the same

they contain the same volume

2 / 10

Which property changes with the number of solute particles?

pH

Refractive index

Osmotic pressure

Viscosity

3 / 10

What is the maximum number of electrons in the K shell?

2

8

18

32

4 / 10

While moving down in a group, the metallic character.?

Decrease

Increases

Remains constant

First increases then decreases

5 / 10

Zero Valency Element is.?

Helium

Chlorine

Caesium

Hydrogen

6 / 10

Which of the following statements is correct about group 13 elements?

The stability of +1 oxidation state follows Tl>In>Ga.

Boron shows a maximum covalency of 4 in its compounds.

Aluminium is passive to concentrated nitric acid.

All above are Correct

7 / 10

Is boric acid a protic acid? Explain.

Yes, donates protons

Yes, releases H⁺ ions

No, accepts electron pairs

No, forms hydroxide ions directly

8 / 10

Consider the compounds, BCl₃ and CCl₄. How will they behave with water? Justify.

Both react vigorously

Only BCl₃ undergoes hydrolysis

Both partially react

Only CCl₄ shows hydrolysis

9 / 10

Which of the following elements in the p-block has the highest oxidation state in its compounds?

Sulphur

Carbon

Nitrogen

Phosphorus

10 / 10

Which among the following oxoacids of phosphorus will have P–O–P bonds?

H₄P₂O₅

H₄P₂O₆

H₄P₂O₇

(HPO₃)₃

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EAPCET CHEMISTRY FREE ONLINE TEST

EAPCET CHEMISTRY FREE ONLINE TEST

About Saheb Shaik

EAPCET CHEMISTRY FREE ONLINE TEST

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About Saheb Shaik