Youtor
Uok Practicals (updated 2024-11-20)
![Identification of anions ඇනාඅයන හඳුනා ගැනීම Practical No 11 [upl. by Helprin972]](img.php?img=imgidGcwd7UjT9K8)
Duration: 20:10
44.9K views | 31 Aug 2021
44.9K views | 31 Aug 2021
![Determination of the molar volume of a gas වායුවක මවුලික පරිමාව නීර්ණය කිරීම No5 [upl. by Korns]](img.php?img=imgidThNfzAEA1jY)
Duration: 6:07
32.2K views | 3 Sep 2021
32.2K views | 3 Sep 2021
![Tests for aldehydes and ketones ඇල්ඩිහයිඩ හා කීටෝන සදහා පරීක්ෂා No27 [upl. by Thirzi]](img.php?img=imgidieiulhBFfFY)
Duration: 8:37
7.1K views | 1 Sep 2021
7.1K views | 1 Sep 2021
![Identification of elements in compounds by the flame test පහන් සිළු පරීක්ෂාව No 10 [upl. by Ahsienad]](img.php?img=imgidXNl5md-oSZI)
Duration: 5:47
34.5K views | 31 Aug 2021
34.5K views | 31 Aug 2021
![Preparation of standard solutions ප්රාමාණික ද්රාවණ පිළියෙල කිරීමNo 04 [upl. by Luba]](img.php?img=imgidJuY286yAVBA)
Duration: 7:15
28.6K views | 31 Aug 2021
28.6K views | 31 Aug 2021
![Identification of halides හේලයිඩ හඳුනා ගැනීම Practical No 13 [upl. by Smoht]](img.php?img=imgidsrX3OaEE7tg)
Duration: 12:34
17.8K views | 31 Aug 2021
17.8K views | 31 Aug 2021
![Determination of relative atomic mass of Mgමැග්නීසියම් වල සාපේක්ෂ පරමාණුක ස්කන්ධය නිර්ණය කිරීම No6 [upl. by Ynnig]](img.php?img=imgidL1SR0WcNrX0)
Duration: 7:22
20.9K views | 3 Sep 2021
20.9K views | 3 Sep 2021
![Thermal stability of compounds of s block elements S ගොනුවේ සංයෝග වල තාපස්ථායීතාව No17 [upl. by Armelda]](img.php?img=imgidjypFQI66sOo)
Duration: 8:23
6.5K views | 2 Sep 2021
6.5K views | 2 Sep 2021
![Examination of the properties of phenol ෆීනෝල් වල ගුණ පරීක්ෂාව No26 [upl. by Oiramat272]](img.php?img=imgidTgd9cYWNB2Q)
Duration: 6:06
4.8K views | 1 Sep 2021
4.8K views | 1 Sep 2021
![Demonstrating properties of cathode rays කැතෝඩ කිරණ වල ගුණාංග ආදර්ශනය කිරීම N01 [upl. by Arenat]](img.php?img=imgidwcbqnx3ENJc)
Duration: 3:14
45.6K views | 14 Oct 2021
45.6K views | 14 Oct 2021
![Reactions of s block metals වාතය ජලය සහ අම්ල සමග s ගොනුවේ ලෝහවල ප්රතික්රියාNo 09 [upl. by Yovonnda]](img.php?img=imgidF9tHM5RwX04)
Duration: 9:13
25.1K views | 31 Aug 2021
25.1K views | 31 Aug 2021
![Colours of complex ions in aqueous medium ජලීය මාධ්යයෙන් සංකීර්ණ අයන වල වර්ණ No18 [upl. by Ataeb]](img.php?img=imgidCvRTCqz1LkQ)
Duration: 4:24
10.2K views | 4 Sep 2021
10.2K views | 4 Sep 2021
![Determination of relative atomic mass of Mg No6 [upl. by Enwahs]](img.php?img=imgidiAcjquYfhY8)
![Examination of the properties of alcohols ඇල්කොහොල වල ගුණ පරීක්ෂාව No25 [upl. by Casimire]](img.php?img=imgidIPOAqHBmICs)
Duration: 12:37
5K views | 2 Sep 2021
5K views | 2 Sep 2021
![ෆිනෝප්තලීන් සහ මෙතිල් ඔරේන්ජ් භාවිත කර Na2CO3 හා HCl අතර අනුමාපනයNo36 [upl. by Akinod]](img.php?img=imgidXvgAlrGh-PY)
Duration: 12:33
18.3K views | 4 Sep 2021
18.3K views | 4 Sep 2021
![Titration between Na2CO3 and HCl using phenolphthalein and methyl orange No36 [upl. by Sheelagh]](img.php?img=imgidod4LDHBvs2Y)
Duration: 12:45
9K views | 14 Oct 2021
9K views | 14 Oct 2021
![Validation of Hess law හෙස් නියමය තහවුරු කිරීම No8 [upl. by Canter]](img.php?img=imgidbI8W-HGxbnY)
![Standardization of a solution of thiosulphate ions using KIO3 and KI No 14 [upl. by Ingar624]](img.php?img=imgidbPhnQERVooE)
Duration: 10:20
3.7K views | 21 Oct 2021
3.7K views | 21 Oct 2021
![Handling of Glassware රසායනාගාරයේදී වීදුරු භාණ්ඩ හැසිරවීමNo 03 [upl. by Ttcos]](img.php?img=imgidv9gZPSEPGM4)
Duration: 24:23
12.5K views | 23 Oct 2021
12.5K views | 23 Oct 2021
![Preparation of biodiesel ජෛව ඩීසල් නිපදවීමNo43 [upl. by Whitten]](img.php?img=imgid0g8QG4MgjYk)
![Determination of colours of Mn ions2467 Mn අයන වල 2467 වර්ණ නීර්ණනය කිරීම No22 [upl. by Imerej918]](img.php?img=imgidlzN5yE48Cqk)
Duration: 6:33
5.7K views | 2 Sep 2021
5.7K views | 2 Sep 2021
![Comparison of the reactions of s block metals with air water and acids No9 [upl. by Melodie965]](img.php?img=imgidsgnitxO3gug)
Duration: 7:54
2.4K views | 21 Oct 2021
2.4K views | 21 Oct 2021
![Observation of reactions and properties of alkenes No 24I [upl. by Sachi]](img.php?img=imgidcNKf2DN00Pc)
![Identification of elements in compounds by the flame test Li Na K Ca Ba Sr No 10 [upl. by Ahsiam]](img.php?img=imgid81dszZjvrIc)
Duration: 4:37
2.2K views | 21 Oct 2021
2.2K views | 21 Oct 2021
![Examination of the the properties of carboxylic acidsකාබොක්සිලික් අම්ලවල ගුණ පරීක්ෂා කිරීම No28 [upl. by Leoni793]](img.php?img=imgidUVvIBT7oEN8)
Duration: 12:44
3.3K views | 1 Sep 2021
3.3K views | 1 Sep 2021
![Showing the presence of nitrogen in airවාතයේ නයිට්රජන් පවතින බව පෙන්වීම No12 [upl. by Iolenta]](img.php?img=imgidUcLKnHNMmN4)
Duration: 3:57
12.1K views | 3 Sep 2021
12.1K views | 3 Sep 2021
![Determination of the percentage of acetic acid in vinegar No44 [upl. by Mirth]](img.php?img=imgidSj6CzUBSjk0)
Duration: 5:19
4K views | 16 Oct 2021
4K views | 16 Oct 2021
![Identification of ammonia gas and ammonium salts No 15 [upl. by Anyrb]](img.php?img=imgidWl27zGNkSVw)
![KIO3 හා KI ද්රාවණ භාවිත කර තයෝසල්ෆේෆේට් ද්රාවණයක් ප්රාමාණීකරණය කිරීම No14 [upl. by Anid385]](img.php?img=imgidNiV6fHJBNyM)
Duration: 9:33
14.4K views | 2 Sep 2021
14.4K views | 2 Sep 2021
![Experimental determination of the enthalpy of acid base neutralization No 7 [upl. by Hanavas]](img.php?img=imgidYocSUDcGA-I)
Duration: 5:47
1.4K views | 21 Oct 2021
1.4K views | 21 Oct 2021
