where anything below pH 7 is considered acidic, anything above pH 7 is considered basic, and a pH 7 is considered to be neutral. pH indicators are used so that the pH of a solution can be determined visually. pH indicators wi...
Which of the following is not a physical change? A.) Mixing two cheeses in a bowl B.) Grating cheese C.) Melting cheese D.) Fermenting of cheese Does a starch solution show the Tyndall effect? What would happen to the heat of fusion of water if salt was added to ...
Energy change due to Equilibrium Energy of Orbitals Enrichment of Ores | Learn Important Terms and Concepts Enthalpy Enthalpy and Entropy Enthalpy Change Enthalpy Change during the Interaction between Acetone and Chloroform Enthalpy Definition Derivation Enthalpy of Atomisation Enthalpy of Dissolution of Coppe...
To determine the change observed when testing soap with litmus paper, follow these steps:1. Understand the Nature of Soap: - Soap is a basic compound. It is formed through the saponification process, which involves the reac
XRF core scanners, with their rapid and non-destructive analytical capability, have now been used for two decades in the analysis of marine sediments. Initially they were used to record variations in fundamental parameters such as calcium carbonate strat
Which of the following is yellow in Colour ammonium molybdate? 12MoO3 is same as the preparation of ammonium phosphomolybdate but, there is a small change is that instead of H3PO4, arsenic acid (H3AsO4).The ammonium arsenate phosphatealso gives out the yellow precipitate. ...
How could you find out what is in each test tube, using chemical tests that involve only these compounds plus water? What color change do you expect to see when a few drops of 0.1M KMnO_4 are added to a test tube filled with the gaseous alkene? What color ch...
If your t-shirt absorbs red light, what colour will it appear under sunlight? A) Impossible to know without a spectrophotometer B) Red C) Yellow D) Green Color: In identifying the color observed for a substance,...
use a ruler to measure the donated electrons C. use a clock to measure the length of the reaction and when a color change occurs Add the first chemical Na_2CO_3 to a test tube and then add the second chemical AgNO_3 until a change is observed. What is...
ll. the flame test of a resulting solution produced a violet colour. lll. a precipitate formed when LiC Add the first chemical Na_2CO_3 to a test tube and then add the second chemical AgNO_3 until a change is observed. What is the colour of the...