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Chloroxylenol, also known as para-chloro-meta-xylenol (PCMX), is an antiseptic and disinfectant which is used for skin disinfection and cleaning surgical instruments.

Solar cells ese photovoltaics to convert sunlight directly into electricity by converting photons (light particles) into electrons (negatively charged particles). Photovoltaic cells are made of semiconductors and silicon, mixed with other material.

According to 10 percent law, 90% of the energy captured from the previous trophic level is lost to the environment and only 10 percent is made available to the next trophic level. In this food chain, at the 4th trophic level, 5 kJ energy is available to the snake.

?? Energy available to Frog = 10% of 50 kJ

?? Energy available to Grasshopper = 10% of 500 kJ

?? Energy available to Grass = 10% of 5000 kJ.

Accumulation of non biodegradable pesticides in the food chain in increasing amount at each trophic level is known as Bio magnification.

Organisms which synthesise carbohydrates from inorganic compounds using radiant energy are called Producers

The elements that can easily lose electrons to form positive ions are called electropositive elements, for example: metals.

The clavicle or collarbone is a long bone that serves as a strut between the shoulder blade and the sternum or breastbone.
There are two clavicles, one on the left and one on the right.
The clavicle is the only long bone in the body that lies horizontally.

Benedict’s reagent is a chemical reagent and complex mixture of sodium carbonate, sodium citrate, and copper(II) sulfate pentahydrate. It is often used in place of Fehling’s solution to detect the presence of reducing sugars. The presence of other reducing substances also gives a positive result
Benedict’s solution will change its colour from blue to brick red when mixed with glucose and warmed.

An analgesic or painkiller is any member of the group of drugs used to achieve analgesia, relief from pain.

Vinyl chloride is also produced as a combustion product in tobacco smoke.

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