Chemistry Question - QS Study

Homogeneous Mixture: Experiment

We can prepare sarbet by adding some sugar to some water in a glass or jug and stirring the water with a spoon. Again to......

Extraction of Transition Elements

Extraction of Transition Elements: Principle→ Transition elements are mainly found as oxide & sulphide ores in nature. The method used to extract metals from the......

Determination of the Temperature of Cooling Wax

Task: Determination of the Temperature of Cooling Wax. Required Accessories: 1 test tube, 1 beaker, 1 stand, some wax, water, 1 thermometer, spirit lamp, wire-net,......

Formation of Colored Ions

Formation of Colored Ions: In an isolated atom or ion of a transitional element, all the five d- orbitals are of same energy (they are......

All Ores are Minerals but all Minerals aren’t Ores

Minerals and Ores Minerals: the naturally occurring metallic compounds found in earth’s crust which can be obtained by mining are called minerals. A mineral may......

Determine Melting Point of Solid

Determining the melting point of a solid compound is one way to test if the material is pure. A pure material usually has a melting......

Boiling Point of Water

Boiling point of Water The boiling point of water is 100°C or 212° F at 1 atmosphere of pressure (sea level). When you take some......

Lassaigne’s Test

Lassaigne’s Test: Nitrogen, Sulphur and halogens are detected in any organic compound by Lassaigne’s test. It is a general test for the detection of halogens,......

Observing the Thermal Conductivity of Various Matters

Observing the thermal conductivity of various matters Required accessories: 1 glass-spoon, 1 plastic-spoon, 1 aluminum-spoon, 3 one taka coins, 1 beaker of 600 ml. 300......

Observation of Electrical Conductivity of Metal

Observation of Electrical Conductivity of Metal: Required Accessories: One electric cell (battery), one electrical bulb, 2 electrical wire, steel spoon, piece of aluminum. Rubber, wood......

Production of Urea

Urea: Chemically urea is the di-amine of carbonic acid or carbamide. Methods of synthesis: (i) From phosgene gas. (ii) Commercial process→ from natural gas Commercial production......

Property of Metal and Non Metal

Property of metal and non metal On the basis of various characteristics of density matter is divided into two types-metal and non-metal. Now we will......