One of your friends said that radius ratio of NaCl is 0.52 :What is meant by radius ratio?

One of your friends said that radius ratio of NaCl is 0.52 .Can you predict geometery of voids and cordination number of NaCl?

During a classroom discussion one of your friends argues that ionic product of water is not altered with change in temperature. What is your view towards this argument? Justify.

The ratio of the diameters of two cylinders is 1: 2 and the ratio of the length is 3: 1 . What is the ratio of their volumes?

One of your friend argued that anti-retroviral drugs are effective medicine to treat AIDS. What is your opinion about it?

One of your friend argued that anti-retroviral drugs are effective medicine to treat AIDS. How HIV affect our immunity?

During a discussion, your friend said that ''AIDS can be transmitted through food and touch '' What is your opinion about the statements?

The diameters of two cylinders having the same height are in the ratio 2: 3 . a) What is the ratio of their radii? b) What is the ratio of their volumes? c) If volumes of two cylinders having the same height are in the ratio a : b , then what is the ratio of their radif?