free CHEMISTRY ONLINE TEST 06

24 ఆగస్ట్ 20256 సెప్టెంబర్ 2026 - by Saheb Shaik

BIKKI NEWS : Free chemistry online test 06 for JEE, NEET EAPCET EXAMS. జేఈఈ నీట్ ఎఫ్‌సెట్ ప్రవేశ పరీక్షల కొరకు ఉచితంగా కెమిస్ట్రీ ఆన్లైన్ టెస్ట్ లను విద్యార్థుల కొరకు అందించడం జరుగుతుంది.

FREe CHEMISTRY ONLINE TEST 06

FREE CHEMISTRY ONLINE TEST 06

1 / 10

Which of the following shows diagonal relationship with boron?

Magnesium

Beryllium

Lithium

Aluminium

2 / 10

Which one of the following gives a reddish-brown gas on reaction with concentrated sulfuric acid?

Lead nitrate

Potassium nitrate

Sodium chloride

Ammonium nitrate

3 / 10

Which of these will liberate dinitrogen gas.?

Sodium nitrate

Barium azide

All above

None

4 / 10

Which of the following statements are correct?

Diamond has directional covalent bonds

Glass is a man-made silicate

All above

None

5 / 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

6 / 10

Is boric acid a protic acid? Explain.

Yes, releases H⁺ ions

No, forms hydroxide ions directly

No, accepts electron pairs

Yes, donates protons

7 / 10

Is boric acid a protic acid? Explain.

Yes, releases H⁺ ions

No, forms hydroxide ions directly

No, accepts electron pairs

Yes, donates protons

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

Nitrogen

Phosphorus

Carbon

10 / 10

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

H₄P₂O₅

H₄P₂O₆

H₄P₂O₇

None

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About Saheb Shaik

Saheb Shaik Founder and author of BIKKI NEWS, With 8 Years of experience.

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FREe CHEMISTRY ONLINE TEST 06

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