Naphthalene balls disappear with time class 9
WitrynaNCERT Solutions for Class 9 Science Chapter 1 ... Naphthalene balls disappear with time without leaving any solid. (b) We can get the smell of perfume while sitting several metres away. ... At room temperature, naphthalene balls undergo sublimation wherein they directly get converted from a solid to a gaseous state without having to undergo … WitrynaNCERT Solutions For Class 9 Social Science; NCERT Solutions For Class 9 Maths. NCERT Solutions For Class 9 Maths Chapter 1; ... Naphthalene balls disappear …
Naphthalene balls disappear with time class 9
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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 … WitrynaQ.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...
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 …
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. 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 …
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.
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. pse meaning in schoolWitrynaYou 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 … pse medical meaningWitryna22 kwi 2024 · Q.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... horse shows minnesotaWitrynaa) 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 … horse shows near 33598WitrynaExplain in brief.? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information … pse market open and closeWitrynaa) Naphthalene balls disappear with time without leaving any solid, because naphthalene balls sublime and directly changes into vapour state without leaving any … horse shows near malagaWitryna12 mar 2024 · A. Sait solution. 21 Why Naphthalene balls disappear with time without le What is the mass of 0.5 mole of water molecule? Draw a velocity-time graph for the … pse match 5 carbon