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Physical science and chemistry: * Define ionization energy. Mention the factor that influence it * What are the hardware and the software of a computer * Explain the working of a laundry drier * What is new lards concept of octaves * What are inner transitions elements * What are transition elements * State the properties and uses of junction diode * What ph of solution * Explain planks exclusion principal * What is moderator give example * What is annealing * Define resonance * State the characteristics of simple harmonic motion * How do the following vary in a period (a.) atomic radius B. ionization energy c electro negativity d electro positivity * Define a drug what r the characteristic of a n ideal drug * How is detergent industrially manufactured * How do u test the quality of a soap * How is alcohol manufactured industrially with the help of a diagram * How is benodicts regent prepared. How is glucose tested with it * How is tollens regent prepared how is glucose tested with it * Compare the structure of diamond and graphite * How do you perform tollens test for detecting the aldehyde group * What are the limitations of Arrhenius theory * What is head of neutralization * How do u prepare a 0.1m standard na2co3 solution * Describe the method of extraction of magnesium from its ore. * How does the atomic radius vary in period or in a group * Explain the formation of double bond triple bond coordinate covalent bond * Define ionization energy and mention the factors that influence it * State and explain with an example hunds rule of maximum multiplicity * State and explain with an example aufbau principle * Explain the formation of p-type and n-type semi conductor * Draw a block diagram of a computer describe the function of each of the component * Explain various stages of tv communication with a diagrams

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