CHEMISTRY ONLINE TEST 14

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CHEMISTRY ONLINE TEST 14

నవంబర్ 22, 2025నవంబర్ 22, 2025 - by Saheb Shaik

BIKKI NEWS : Chemistry online test 14 for NEET EAPCET and JEE. జేఈఈ, నీట్, ఎఫ్‌సెట్ వంటి ప్రవేశ పరీక్షల కొరకు ఉచితంగా కెమిస్ట్రీ ఆన్లైన్ టెస్ట్.

Chemistry online test 14 for NEET EAPCET and JEE

CHEMISTRY ONLINE TEST 14

1 / 10

Lead storage batteries contain —

PbO₂ and Pb

Pb₂O₃

PbCl₂

PbSO₄ only

2 / 10

Which of the following is known as artificial diamond?

Graphite

Silicon carbide

Fullerene

Carbon nanotube

3 / 10

Which element forms both covalent and ionic compounds?

Carbon

Tin

Silicon

Lead

4 / 10

The correct order of acidic strength of oxides is —

SnO₂ < SiO₂ < CO₂

CO₂ < SiO₂ < SnO₂

CO₂ < SnO₂ < SiO₂

SiO₂ < CO₂ < SnO₂

5 / 10

The most stable oxidation state of tin (Sn) is —

0

+2

+4

+3

6 / 10

Which compound is used in the manufacture of cement?

SiO₂

CaCO₃

CO₂

C (graphite)

7 / 10

Silicones are polymers of —

SiO₂

SiC

R₃SiH

R₂SiO

8 / 10

Which allotrope of carbon is used as a lubricant?

Diamond

Fullerene

Carbon black

Graphite

9 / 10

Which of the following elements shows maximum metallic character in Group 14?

Pb

C

Si

Ge

10 / 10

The oxidation state of carbon in HCOOH (formic acid) is —