A protein solution on warming with concentrated nitric acid may turn yellow called:
AXanthoproteic test
BBiuret test
CMillions test
DHopkins cole test
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സഹസംയോജകബന്ധനത്തെക്കുറിച്ചുള്ള ലുയി സിന്റെ വിശദീകരണത്തിൽ ഒരു തന്മാത്രയിലെ രണ്ട് ആറ്റങ്ങൾക്കിടയിലുള്ള ബന്ധനങ്ങളുടെ എണ്ണത്തെ ___________എന്ന് പറയുന്നു .
What is the role of catalyst in a chemical reaction ?
Four different experiments were conducted by students of Class X. Who among them was able to perform a displacement reaction?
- 1. Navin took a beaker containing some aqueous solution of CuSO4, and added a piece of magnesium strip in it.
- II. Ayush took a beaker containing some aqueous solution of CuSO4, and added some platinum pieces in it.
- III. Sneha took a beaker containing some aqueous solution CuSO4, and added some copper tumings in it.
- IV. Akriti took a beaker containing some aqueous solution CuSO4, and added a piece of silver wire in it.
ജല്ലതന്മാത്രങ്ങൾക്കിടയിൽ കാണുന്ന ഹൈഡ്രജൻ ബന്ധനം ഏത്?
Consider the below statements and identify the correct answer.
- Statement-1: On heating, the surface of copper powder becomes coated with black copper (II) oxide.
- Statement-II: If hydrogen gas is passed over this heated material (CuO), the black coating on the surface tums brown.