metallic chemistry
why transation metals show charaterstic colours to the flame?
a) Air flowing at 1 m3/s enters an adiabatic compressor at 20°C and 1 bar. It exits at 200°C. The isentropic efficiency of the compressor is 80%. Calculate the exit pressure and the power required. b) Steam enter
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
What is the utilization of glacial acetic acid? Briefly describe the uses.
list and identify differences between the major classes of hydrocarbons
Unit of measurement- These are also some systems for units: (1)
Certain sols have the property of setting to a semi-solid, jelly-like form by enclosing the entire amount of liquid within itself when they are present at high concentrations. This process is called gelation and colloidal systems with jelly-like appearance are known as gels. Some common examples
Briefly describe the properties of the carbohydrates?
Choose the right answer from following. The molarity of a solution of Na2CO3 having 10.6g/500ml of solution is : (a) 0.2M (b)2M (c)20M (d) 0.02M
comparison of biodegradable and non-biodegradable polymers
Select the right answer of the question. A solution of CaCl2 is 0.5 mol litre , then the moles of chloride ion in 500ml will be : (a) 0.25 (b) 0.50 (c) 0.75 (d)1.00
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