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Q. Define the Normality of solutions?
Ans. Sometime normality is used to measure concentration. Normality (abbreviated N) is the number of gram-equivalent masses of solute in 1 liter of solution. A gram-equivalent mass is the mass of acid (or base) which can give one mole of hydrogen (or hydroxide) ions.
Q. Describe about groups or families in periodic table? Every element may be represented by a one or two letter symbol. In the middle of nineteenth century a Russian chemist Dm
theory of NaOH Vs NH4Cl
acs exam
Classification of polymers - Natural polymer The polymers acquired from nature (plants and animals) are known as natural polymers. These types of polymers are extremely essenti
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What is the de-Broglie wavelength associated with the hydrogen electron in its third orbit: (1) 9.96x 10 -10 cm (2) 9.96x 10 -8 cm (3) 9.96x 1
determination of proteins in flour sample
Explain Bromination of N-N-dimethylaniline Bromination of N,N-dimethylaniline is faster because nitrogen has an unshared electron pair that can stabilize the carbocation inter
Ask A mixture of water and graphite is heated to 890 K in a 10 L container. When the system comes to equilibrium it contains 0.875 mol each of CO and H2 and 0.289 mol of H2O and s
conclusion for chemistry in medicine
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