Chemistry

    Chemistry
    When magnesium ribbon is burnt in presence of air, it forms
    When magnesium ribbon is burnt in the air, it combines with oxygen to form white powder magnesium oxide MgO with the release of heat and light. It forms a white powder of magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product.
    Chemistry
    In which of the following medium sound travels faster?
    Chemistry
    Uptake of Nitrogen in the Neem tree is in the form of
    A
    Chemistry
    What is the atomicity of Helium?
    Chemistry
    What is the full form of MSG, a chief flavor enhancer used in the food industry?
    Monosodium glutamate (MSG) is a flavor enhancer commonly added to Chinese food, canned vegetables, soups and processed meats.
    Chemistry
    Which of the following states of matter has indefinite shape and indefinite volume?
    Chemistry
    Which of the following is NOT a noble gas?
    Noble gas means any of the gaseous elements which occupy Group 0(18) of the periodic table. They exhibit great stability and very low reaction rate. Complete step by step solution: Noble gases are generally inert gas that exhibit great stability and have generally full filled electronic configuration. They belong to group 18 of the periodic table. Group 18 of the periodic table includes He, Ne, Ar, Kr, Xe and Rn.
    Chemistry
    Identify the metals which can be extracted by cyanide process
    Cyanide process, also called Macarthur-forrest Process, method of extracting silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide.
    Chemistry
    Liberation of heat during chemical reaction is termed as
    A chemical reaction in which heat or energy is liberated is called an exothermic reaction.
    Chemistry
    Mole is the SI unit of: