Which of the following is not present in German silver?
1). Copper
2). Nickel
3). Silver
4). Zinc
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1. Adding Cl2 to benzene in the presence of AlCl3 is an example of :
2. Which of the following is the best fuel in terms of energy released per gram of fuel?
4. The chiefsource for the production of nitrogeneous fertilizers is :
5. Galvanization of iron is carried out using
6. Which amongst the following is not a Cation?
7. Question 14.18:What is the effect of denaturation on the structure of proteins?