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Yogita Ingle 5 years, 10 months ago
Mrs Pumphrey is worried about Tricki because he is unwell. He has refused to eat food and had bouts of vomiting. She feels that he is suffering from a serious health issue such as malnutrition.
Posted by Megha Pathak 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Lemma is a proven statement used for proving another statement while algorithm is a series of well defined steps which gives a procedure for solving a type of a problem.
Euclid's division lemma: For given any positive integers a and b there exist unique integers q and r satisfying a = bq + r, 0 ≤ r < b.
Euclid's division algorithm is used for finding the Highest Common Factor of two numbers where in we apply the statement of Euclid's division lemma.
Posted by Aryan Sing 5 years, 10 months ago
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Sia ? 4 years, 11 months ago
-ide is used for non-metal compounds generally. For example, Chlorine forms a chloride ion, so NaCl is Sodium Chloride. -ate and -ite are commonly used for polyatomic ions of Oxygen. -ate is used for the ion that has the largest number of Oxygen atoms.
Posted by Seema Mishra 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Soap molecules have two parts, on is polar head which is hydrophilic (water soluble) carboxylate group and other is non polar tail, which is hydrophobic (oil soluble) hydrocarbon tail. In water, several soap molecules aggregate to form micelles in which hydrocarbon tails are in the interior of cluster and polar heads are at the surface of clusters. The dirt in cloth is due to presence of dust particles in fat or grease which stick to the cloth. In the soap solution, micelles are formed around oil droplets. The hydrophobic part of soap is in the oil droplet and hydrophilic part projects outside like bristiles. The oil drops and micelle are then pulled in water due to hand rubbing or agitation and are washed away.
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Posted by ? Ishika ?? 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
When they come into our houses, they pass through a circuit called a Fuse. Whenever there is a high voltage, voltage fluctuation, overloading, short circuit the fuse melts and prevents the high voltage reaching the electric appliance. This saves the electrical gadget.
Posted by ? Ishika ?? 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Let there be 3 resistance R1, R2, and R3 connected in series. A battery of V volts has been applied to the ends of this series combination. Now suppose the potential difference across the resistance R1 is V1, R2 is V2 and R3 is V3.
∴ V= V1+V2+V3 ...(1)
Now, suppose the total resistance of the combination be R, and the current flowing through the whole circuit be I.
So, applying Ohm's law to the whole circuit, we get :
V/I = R or V=IR ...(2)
∵ The same current is flowing through all three resistances, so by applying Ohm's law to three of them seperately, we will get
V1 = IR1
V2= IR2 and
V3= IR3 ... (3)
Now, putting (3) and (2) in equation (1), we get
IR = IR1 + IR2 + IR3
i.e IR = I ( R1 + R2 + R3 )
⇒ R = R1 + R2 + R3
Posted by ? Ishika ?? 5 years, 10 months ago
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Posted by Mamta Rawat 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
100x 2-20x+1 =0
100x 2 - 10x - 10x + 1 =0
10x(10x - 1) - 1(10x - 1) = 0
(10x - 1) (10x - 1) = 0
x = 1/10
Posted by ? Ishika ?? 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
When 1 Joule of work is done to move a charge of amount 1 Coulomb from one place to another, then it is said that the potential difference between the two points is 1 Volt (V).
Posted by Nimesh Kumar 5 years, 10 months ago
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Sandli Thakur✍?✍?(Helping Hand)? 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Balanced chemical equation
When the total number of atoms on the reactant side and the product side is equal, the equation is called a balanced equation.
Need for balancing a chemical equation
A chemical equation needs to be balanced because a chemical reaction is just a rearrangement of atoms.
Atoms themselves are neither created nor destroyed during the course of a chemical reaction.
The chemical equation needs to be balanced to follow the law of conservation of mass
Posted by Ankit Meena 5 years, 10 months ago
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Thrima Irani 5 years, 10 months ago
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