metallic chemistry
why transation metals show charaterstic colours to the flame?
Choose the right answer from following. Which one of the statements written below concerning properties of solutions, explain a colligative effect: (a) Boiling point of pure water decreases by the addition of ethano (b) Vapour pressure of pure water d
Illustrate the cons of eating organic foods?
Help me to go through this problem. Molarity of a solution containing 1g NaOH in 250ml of solution: (a) 0.1M (b) 1M (c) 0.01M (d) 0.001M
Detail the moles of HCl which are present in .70 L of a .33 M HCl solution?
Choose the right answer from following. If two substances A and B have P0A P0B= 1:2 and have mole fraction in solution 1 : 2 then mole fraction of A in vapours: (a) 0.33 (b) 0.25 (c) 0.52 (d) 0.2
Crystals of the covalent compounds always contain:(i) Atoms as their structural units (ii) Molecules as structural units (iii) Ions held altogether by electrostatic forces (iv) High melting pointsAnswer: (i)
arrange in order of basicity,pyridine,pipyridineand pyorine
Briefly define the term oxidizing agent?
The freezing point of a solution having 4.8 g of a compound in 60 g of benzene is 4.48. Determine the molar mass of the compound (Kf = 5.1 Km-1) , (freezing point of benzene = 5.5oC) &n
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
18,76,764
1950756 Asked
3,689
Active Tutors
1435838
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!