Physics, asked by 19rishika04, 6 months ago

(b) Sneha learnt in Chemistry period that on dissolving salt in distilled water it

conducts electricity, so the bulb glows. She then tried the experiment with dry

sodium chloride crystals. The bulb did not glow. Justify the observation. (1)

Answers

Answered by angelina10

1

NaCl is an ionic compound.
ionic compounds are good conductors of electricity in aqueous/molten/solution state.
its because when ionic compounds,say here NaCl dissolves in water,it dissociates into Na+ and Cl-
The presence of free ions helps in conduction of electricity.

Previous Question

Next Question

Similar questions

Math, 3 months ago

8. A plane is flying at a height of 5,850 m. A submarine is floating at a depth of 700 m below the sea level exactly below the plane at a particular time. What is the distance between the plane and the subnjarine?

Hindi, 3 months ago

- -- प्र. 8 निम्न पद्याशं पठित्वा उत्तराणि लिखत तं शब्दमवसुप्तस्तु जटायुरथ शुश्रुवे । निरिक्ष्य रावणं क्षिप्रं वैदैहीं च ददर्श सः एक पदेन उत्तरत (क) कः शब्दम् शुश्रुवे ? (ख) जटायुः प्रथमं कं निरीक्षितवान् ? भाषिक कार्यम् (क) 'चिरम् ' पदस्य विपर्यय पदं चित्वा लिखत ? (क) क्षिप्रं (ख) शुश्रुवे (ख) ' ददर्श ' इति पदस्य कर्तुपदम् किम् ? (क) रावण: (ग) 'दृष्ट्वा ' इति अर्थे अत्र किं पदं प्रयुक्तम् ? (क)...

Political Science, 3 months ago

Three challenges that India faced during the time of our independence and how we overcome these three challenges?

Geography, 6 months ago

Silicon used in computer industry is obtained from ________ . plz I want correct answer !!

Math, 6 months ago

Represent the no. on number line 7/4...

Chemistry, 10 months ago

What is the osmotic pressure of 10% cane sugar solution at 25°C (molar mass of cane sugar = 342).

Math, 10 months ago

90 people applied for a job as a salesperson for a book publishing company. 10 of the applicants had never worked in sales or in publishing business. 65 had worked in sales at some point and 58 had some background in publishing.How many of the applicants had experience in both sales and publishing ?

Hindi, 10 months ago

ननिम्नलिखित गद्यांश का हिन्दी में अनुवाद कीजिए- सरकाराणां जननी संस्कृत भाषा मन्यन्ते। भारतीय जीवने संस्कृत भाषायः महत्वपूर्ण स्थान विद्यते। सुरवाणी, गीर्वाणवाणी सुरभारती अमर-भारती इत्यादीनि संस्कृतभाषायाः नामानि सन्ति। विश्वस्य प्राचीनतमा भाषा...