Complex forming agents can be used to determine hardness of water how? Explain with the help of following points. (i) Principle (ii) Chemical reactions (iii) Structure (iv) Calculations. (b) Calculate the quantity of lime and soda required for softening one million litre of the following sample of water. If the purities of lime and soda are 80% and 85% respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MgSO4 = 30 mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit. (c) Discuss different chemical methods which have been used for the synthesis of nanomaterial with special reference to temperature and solvent along with their advantages and disadvantages.

Complex forming agents can be used to determine hardness of water how? Explain with the help of following points. (i) Principle (ii) Chemical reactions (iii) Structure (iv) Calculations. (b) Calculate the quantity of lime and soda required for softening one million litre of the following sample of water. If the purities of lime and soda are 80% and 85% respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MgSO4 = 30 mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit. (c) Discuss different chemical methods which have been used for the synthesis of nanomaterial with special reference to temperature and solvent along with their advantages and disadvantages.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Soil Deposits-origin, Grain-size, And Shape

Section: Chapter Questions

Problem 2.15CTP: In concrete work, Fuller and Thompson (1907) suggested that a dense packing of grains can be...

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1. In the specific gravity and absorption experiment, the following measurements were taken of coarse aggregates: Weight of pan used to weigh SSD aggregates Weight of pan + SSD aggregates Weight of SSD aggregates in water Weight of pan used to weigh oven-dried aggregates Weight of pan + oven dried aggregates Calculate the following properties: a. Specific gravity b. SSD specific gravity c. Apparent specific gravity d. Absorption = 500 g = 2550 g = 1300 g = 510 g = 2545 g 2. After manually sieving 100 g of cement on the No. 200 sieve, the mass retained on the sieve was found to be 8 grams. Determine the fineness of the cement.
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(b) Calculate the quantity of lime and soda required for softening one million litre of the following sample of water. If the purities of lime and soda are 80% and 85% respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MGSO4 = 30 mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit.
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(b)Calculate the quantity of lime and soda required for softening one million litre of thefollowing sample of water. If the purities of lime and soda are 80% and 85%respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MgSO4 = 30mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit.(c) Discuss different chemical methods which have been used for the synthesis ofnanomaterial with special reference to temperature and solvent along with theiradvantages and disadvantages.(d) Doping can be used to increase conductivity of the substances, explain with examples.What are array and modules? Discuss their working.
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Sample of coarse aggregate from a stockpile are brought to the laboratory for determination of specific gravities and absorption. The following masses were obtained.Mass of moist aggregate = 5,982 gramsMass of oven-dried aggregate = 5,892 gramsMass of aggregates submerged in water = 4,082 gramsMass of SSD aggregate = 5,897 grams a) absorption, in percentb) moisture content of stockpile aggregate, in percentc) free moisture