What Is a Colorimeter? A colorimeter is a light-sensitive instrument used for measuring the transmittance and absorbance of light passing through a liquid sample. The instrument measures the intensity or concentration of the color that develops upon introducing a specific reagent into a solution. There are two types of colorimeters, color densitometers and color photometers. … Read more
What Is Combustion/Burning? Combustion is the scientific word for burning. In a combustion reaction, a substance reacts with oxygen from the air and transfers energy to the surrounding. Combustion releases a large amount of energy in a single step and most of it changes into heat and some at times into light, raising the temperature … Read more
What Is Imbibition? Imbibition is the process of adsorption of water by substances without forming a solution. The swelling of soaked seeds, the swelling of a wooden door during rains, germination of seeds, and absorption of water by roots are some of the examples of imbibition. Imbibition is the initial step in seed germination, If … Read more
What is Capital Reserve? A capital reserve is a line item in the equity section of a company’s balance sheet that indicates the cash on hand that can be used for future expenses or to offset any capital losses. It is derived from the accumulated capital surplus (capital gains) of a company and profits generated from … Read more
In accounting, depreciation is the systematic allocation of the cost of a tangible asset over its estimated useful life. Depreciation recognizes the gradual consumption, wear and tear, or obsolescence of these assets over time. This allows for a more accurate reflection of the asset’s decreasing value as it contributes to the generation of revenue for … Read more
Transmission mode refers to the mechanism of transferring data between two devices connected over a network. There are three types of transmission modes, they include: Simplex Mode Half duplex Mode Full duplex Mode In simplex mode, communication flows in one direction (unidirectional). A device can only send the data but cannot receive it or it … Read more
Absorption costing and marginal costing are two different methods of costing that are used to calculate the cost of a product or service. While both methods are used to calculate the cost of a product, they differ in the types of costs that are included and the purposes for which they are used. The differences … Read more
In 1857, John Walker’s son, Alexander Walker, produced the first blended scotch whisky bottled under the family name — Walker’s Old Highland. From the time the brand launched the color-coded, tilted label on square bottle packaging with the recognizable ‘striding man’ logo we’ve all come to recognize. This blend has morphed into today’s Red, blue, … Read more
What Is Gram Staining? Gram staining is a common technique used to differentiate two large groups of bacteria based on their different cell wall constituents. The Gram stain procedure distinguishes between Gram positive and Gram negative groups by coloring these cells red or violet. The Gram Staining Steps Include: Add several drops of crystal … Read more
What is a Zip Code? Zip codes are specific numbers allocated to different geographical locations and used as the reference method for individuals delivering mails and packages. It was introduced by United States Postal Services in early 1943. The format of the Zip code is such that the first digit represents a specific group of … Read more