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Meghna Thapar 5 years, 6 months ago
Activated charcoal is used for removing colouring matter from solutions of sugar and other organic liquids such as oils etc. Fuller's earth can also be used for removing undesirable colouring/adsorbing matter from liquids/solutions. Adsorption is defined as the adhesion of a chemical species onto the surface of particles. In adsorption, the gas or liquid particles bind to the solid or liquid surface that is termed the adsorbent. The particles form an atomic or molecular adsorbate film.
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Sia ? 4 years, 7 months ago
The California beach incident happened when Douglas was 3 or 4 years old. His dad had taken him to the beach; when he was standing on the beach, a huge wave knocked him over. This incident was the beginning of fear of water in his heart.
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MEANING Inclusion of a new person as a partner to an existing firm is called admission of a partner. The new partner who joins the business is called the incoming partner or new partner.
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Yogita Ingle 5 years, 7 months ago
Wheatstone bridge, also known as the resistance bridge, is used to calculate the unknown resistance by balancing two legs of the bridge circuit, of which one leg includes the component of unknown resistance. It was invented by Samuel Hunter Christie in the year 1833, which was later popularized by Sir Charles Wheatstone in 1843.
The circuit is composed of two known resistors, one unknown resistor and one variable resistor connected in the form of a bridge. This bridge is very reliable as it gives accurate measurements.
A Wheatstone bridge circuit consists of four arms of which two arms consists of known resistances while the other two arms consist of an unknown resistance and a variable resistance. The circuit also consists of a galvanometer and an electromotive force source. The emf source is attached between points a and b while the galvanometer is connected between the points c and d. The current that flows through the galvanometer depends on the potential difference across it.
Posted by Prakrati Aggarwal 5 years, 7 months ago
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