Four substances were tested for their electrical conductivity. The results are shown in the table below. Study the table and answer the questions that follow.

Substance Bulb Substance at Negative
Electrode Substance at Positive
Electrode

A lights up hydrogen chlorine

B does not light nothing nothing

C lights up nothing nothing

D lights up copper oxygen

(a) Which substances conduct electricity?
(b) Which one is a non-electrolyte?
(c) Which one could be mercury?
(d) Which solution could be:
i. sodium chloride
ii. copper sulphate
iii. kerosene

Open in App

Solution

(a) The substances that conduct electricity are A , C and D.

(b) B and C are non-electrolytes.

(c) C could be mercury.

(d) The solution that could be
i. sodium chloride - A
ii. copper sulphate - D
iii. kerosene - B

Suggest Corrections

Similar questions

\begin{matrix} Combustible & Non-combustible Wood & Glass Paper & Charcoal Kerosene & Stone \end{matrix}

substance	characteristic	Example
solid	molecules tightly packed	Q
P	molecules less tightly packed and can move a little	R
gas	molecules farther apart and are able to move freely	S

\begin{matrix} A & B (i) & G o l d & (a) & T h e r m o m e t e r s (i i) & I r o n & (b) & E l e c t r i c w i r e (i i i) & A l u m i n i u m & (c) & W r a p p i n g f o o d (i v) & C a r b o n & (d) & J e w e l l e r y (v) & C o p p e r & (e) & M a c h i n e r y (v i) & M e r c u r y & (f) & F u e l \end{matrix}

Match the substances given in Column A with their uses given in Column B.

S. No.	Substance added	Gas evolved	Odour
1. 2. 3. 4.	calcium carbonate magnesium ribbon manganese (IV) oxide with heating sodium sulphide	__ __ __ __	__ __ __ __

Join BYJU'S Learning Program

Substance	Bulb	Substance at Negative Electrode	Substance at Positive Electrode
A	lights up	hydrogen	chlorine
B	does not light	nothing	nothing
C	lights up	nothing	nothing
D	lights up	copper	oxygen