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Naphthalene balls disappear with time class 9

Naphthalene balls disappear with time without leaving any solid. Give reason. ... class 9. Circles Coordinate Geometry What is Democracy? Why Democracy? Nazism and the Rise of Hitler Socialism in Europe and the Russian Revolution. class 10. Verb Articles Some Applications of Trigonometry Real Numbers Pair of Linear Equations in Two Variables.

Give a reason for the following observations :(A) Naphthalene balls ...

Witryna31 sie 2024 · Naphthalene balls sublimate at room temperature. ii. All its molecules go into vapour phase without changing into liquid. iii. This process takes place when … WitrynaA. (a) Naphthalene balls disappear with time without leaving any solid because naphthalene ball shows sublimation. (b) We can get the smell of perfume sitting several metres away. This is because gases have higher rate of diffusion. garden centre bretherton https://c4nsult.com

Naphthalene balls disappear over a period of time, without leaving ...

WitrynaAnswer (1 of 6): Naphthalene undergoes sublimation, the change from a solid directly into a gas without going through the liquid phase, that is why it gets disappeared into … Witryna27 sie 2024 · (a) Naphthalene balls disappear with time without leaving any solid because of they undergoes sublimation easily i.e., the change of state of naphthalene from solid to gas takes place easily (b) Perfumes have high degree of vaporisation and its vapour diffuses into the air easily. WitrynaNaphthalene balls disappear with time without leaving any solid because it can sublimise and directly converts into the gaseous state without leaving any solid. Posted by ... CBSE Class 10 Maths Exam Analysis: 'Simple, direct questions', 'easy, balanced' paper; Student reactions here. garden centre bradley fold radcliffe

Why naphthalene balls disappear with time without leaving any …

Category:Give reason naphthalene balls disappear with time with out …

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Naphthalene balls disappear with time class 9

Why do Naphthalene Balls disappear with time without leaving

WitrynaGive reason naphthalene balls disappear with time with out leaving any solid? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. WitrynaSolution: Naphthalene balls disappear with time without leaving any solid due to the phenomenon of sublimation. Sublimation is the change of state from a solid to a gas without the intervention of a liquid state. Thus, naphthalene balls keep on forming naphthalene vapours which disappear into the air with time without leaving any …

Naphthalene balls disappear with time class 9

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WitrynaQuestion of Class 9-solved-questions : The Naphthalene balls disappear with time without leaving any solid Give reason . Question of Class 9-solved-questions : The … WitrynaWhy do naphthalene balls disappear with time without leaving any solid behind?a)Due to meltingb)Due to freezingc)Due to boilingd)Due to sublimationCorrect answer is …

Witryna1 Answers. (a)Naphthalene balls disappear with time without leaving any solid, because naphthalene balls sublime and directly changes into vapour state without leaving any solid. (c)We can get the smell of perfume sitting several metres away because perfume contain volatile solvent and diffuse faster and can reach people … WitrynaQuestion of Class 9-solved-questions : The Naphthalene balls disappear with time without leaving any solid Give reason . Question of Class 9-solved-questions : The Naphthalene balls disappear with time without leaving any solid Give reason . Login/Register. PW Centres PW Skills Ask Doubt. All Courses . IIT JEE. CLASS 11; …

WitrynaNCERT Solutions for Class 9 Science Chapter 1 Naphthalene balls disappear with time without leaving any solid. We can get the smell of perfume sitting several. Figure out mathematic tasks; More than just an app; Download full solution Witryna(a) Some substances possess the property of sublimation like camphor and naphthalene balls. Such substances directly change from solid to gaseous state without changing in to liquid like: ice → water → water vapour does. Therefore, naphthalene balls disappear with time without leaving any solid.

WitrynaInformation about After winter people back of the woolen clothes by keeping naphthalene balls in them with passage of time these balls become smaller in size why does this happen what type of change is involved during the process? covers all topics & solutions for Class 9 2024 Exam.

WitrynaA. Naphthalene balls disappear with time without leaving any solid. B. We can get the smell of perfume sitting several metres away. SOLUTION: (A) Naphthalene balls disappear with time without leaving any solid because they undergo sublimation i.e they directly change into vapours without passing through the liquid state. black mouth cur for sale in msWitrynaWhen naphthalene balls are kept somewhere, after some days its size diminishes and disappears. Name the phenomenon caused for this process. Medium. View solution. … black mouth cur for sale or adoptionWitrynaa) Naphthalene balls disappear with time without leaving any solid, because naphthalene balls sublime and directly changes into vapour state without leaving any solid. (c) We can get the smell of perfume sitting several meters away because perfume contain volatile solvent and diffuse faster and can reach people sitting several meters … black mouth cur forumWitryna27 lip 2024 · Give reason for the following observations. (a) Naphthalene balls disappear with time without leaving any solid. (b) We can get the sm The world’s only live instant tutoring platform. Become a tutor About us ... Class: Class 9: Answer Type: Video solution: 3Upvotes: 219: Avg. Video Duration: 6: min. 4.6 Rating. 180,000 … black mouth cur for sale texasWitrynaQ.3 Give reasons for the following observations:(a) Naphthalene balls disappear with time without leaving any solid.(b) We can get the smell of perfume sitti... garden centre bridgnorth road shipleyWitryna31 mar 2024 · Complete step by step solution: Naphthalene balls disappear with time without leaving any solid. Naphthalene undergoes sublimation easily i.e., the change … black mouth cur german shepherd mix behaviorsWitrynaYou are provided with a mixture of naphthalene and ammonium chloride by your teacher. ... Naphthalene balls disappear with time without leaving any solid. (b) We can get the smell of perfumes sitting several metres away. Medium. View solution ... View solution > Classes. Class 5; Class 6; Class 7; Class 8; Class 9; Class 10; Class 11 … black mouth cur german shepherd