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Which one of the following is the number of water molecules that share with two formula unit CaSO4 in plaster of Paris?
Read the following information carefully and answer the questions that follow: Seven persons Tina, Vini, Yasir, Rishi, Sanya, Pankaj and Urmila live on the separate floors of a 7- floor building. Ground floor is number one; second floor is number two and so on. Each of them goes to a city viz. Paris, Istanbul, Shanghai, Durban, London, Madrid and Dubai but not necessarily in the same order. Only three people live above the floor on which Sanya lives. Only one person lives between Sanya and the one who goes to Paris. Vini lives just below the person who goes to Madrid. Only three people live between the one who goes to Paris and London. The person who goes to Madrid lives on an even numbered floor. Urmila lives just above Rishi. Urmila does not go to London. Only two persons live between Pankaj and the one who goes to Durban. Pankaj lives above the person who goes to Durban. Yasir does not go to Istanbul. Tina does not live just above or just below Sanya. The one who goes to Shanghai does not live just above or just below Pankaj. Who among the following lives on floornumber 7?
An amount was distributed among A, B, C and D in the following manner and B’s share is Rs. 1,600. What is the share of D? \(\frac{{A's\;Share}}{{B's\;Share}} = \frac{{B's\;Share}}{{C's\;Share}} = \frac{{C's\;Share}}{{D's\;Share}} = \frac{4}{5}\)
Four friends A, B, C, and D planned a party. They shared the expenses of the party differently. A’s share is 50% of B’s share. Whereas C’s share is 80% of B’s share. And D’s share is 35% of total share of A and B together. If the total expanse of the party is Rs.1469 then find C’s share for the party.
Consider the following statements regarding water: 1. Water is an polar molecule 2. Water molecules align themselves in an electric field 3. Water molecules vary their alignment if the applied electric polarity changes with time  4. Water molecules align themselves in an magnetic field Which of the above statements are correct?
Along with plaster of paris, with the addition of tale, which of the following is added in the plaster-molding process?
Gypsum plaster, or plaster of Paris, is produced by heating __________ to about 300 °F.
The term _______________ plaster is used to indicate plaster of Paris with retarder.
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Select the correct alternative that represents the answers for statements A and B respectively.: A. What is the fixed number of water molecules present in a formula unit of salt? B. What is the number of water molecules in CuSO4 5H2O?