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The resolution of a microscope is defined as the smallest distance at which the two small objects can still be seen as separate objects. A fine example of resolution is looking at the moon with naked eyes. With naked eyes, you will see a bright spot with some patterns on it, whereas if you look

Writing and structuring an English literature essay is essential. Using the appropriate structure is an integral part of writing an essay and achieving the top marks. Even if you have written the whole essay fine and have fulfilled all the requirements, but if you didn’t follow the structure right, this could cost you a lot,

The “Ka” stands for the acid dissociation constant. It is the equilibrium constant of the dissociation reaction of an acid. Ka is commonly expressed in the units of mol/L.   There are tables of the acid dissociation constant. In the case of an aqueous solution, the general form of equilibrium reaction is:   HA + H2O ⇆

“Mr” stands for relative formula mass that can be used in the conservation of mass calculations. Calculations can be done to figure out the uncertainties in measurements and concentrations of a solution. Calculation of relative formula mass The relative formula mass of a substance is made up of molecules. A relative formula mass Mr of

Standard English is described as a form of English Language with substantial regularization associated with formal schooling, official print publications, and language evaluation. The term “Standard” refers to the regularization of grammar, language usage, spellings, and not to minimal interchangeability. In contrast, the term Standard English referred to the British English, Vocabulary, and grammar of the UK standard English

If your English language GCSE level exam is approaching, then you need to get geared up with the last moment revision of your subject’s syllabus. If you are preparing for your GCSE level exam, then the revision approach compiled here can be a savior for you. Without revision, you won’t be able to perform better.