Chemistry

    Chemistry
    Which of the following is an example of ferrous mineral?
    Author: rikazzz Comment
    Chemistry
    The most common material used in making solar cells is
    Silicon is, by far, the most common semiconductor material used in solar cells, representing approximately 95% of the modules sold today. It is also the second most abundant material on Earth (after oxygen) and the most common semiconductor used in computer chips.
    Author: rikazzz Comment
    Chemistry
    Which one of the following gas diffuses fastest?
    Author: rikazzz Comment
    Chemistry
    The element which exhibits catenation property is
    Carbon exhibits the property of catenation due to strong C-C bond.
    Author: rikazzz Comment
    Chemistry
    In this reaction heat is taken in:
    Author: rikazzz Comment
    Chemistry
    It is the lightest particle in the following:
    Author: rikazzz Comment
    Chemistry
    Symbol of the elements was suggested by:
    Author: rikazzz Comment
    Chemistry
    CNG stands for:
    Author: rikazzz Comment
    Chemistry
    A formula that indicates actual number of atoms in a molecule is called:
    Author: rikazzz Comment
    Chemistry
    Which of the following options is an example for chemical change?
    Burning of coal is a chemical change. When coal is burnt, the chief component, carbon is changed to carbon dioxide. This process cannot be reversed.
    Author: rikazzz Comment