A2Z|Exercise Section D - Chapter End Test|30 Videos
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A and B are two alloys of copper and tin prepared by mixing the respective metals in the ratio of 5 : 3 and 5 : 11 respectively. If the alloys A and B are mixed to from a third alloy C with an equal proportion of copper and tin, what is the ratio of alloys A and B in the new alloy C?
A and B are two alloys of copper and tin prepared by mixing the respective metals in the ratio of 5:3 and 5:11 respectively. If the alloys A and B are mixed to form a third alloy C with an equal proportional of copper and tin, what is ther ratio of alloys A and B in the new alloy C?
A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7:11 , respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be
A and B are two alloys of gold and copper prepared by mixing metals in ratios 7:2 and 7:11 respectively.If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be:
A man wearing a bullet-proof vest stands still on roller skates. The total mass is 80 kg. A bullet of mass 20 grams is fired at 400 m/s. It is stopped by the vest and falls to the ground. What is then the velocity of the man ?
A2Z-THE D AND F BLOCK ELEMENTS-KMnO_4 And K_2Cr_2O_10
