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Worksheet Classification of Materials

classifications of materials

Worksheet Classification of Materials – This worksheet consists of two sections are section A and section B. Section A contains multyple choice questions and section B is essay. Without reffering to the textbook, try to answer this question. Section A Choose the best answer by circling the letter a, b, c, or d ! 1. Which of these statements is ... Read More »

Elements, Compounds and Mixtures

elements, compounds and mixtures

Elements, Compounds and Mixtures – An element is chemically the simplest substance and hence cannot be broken do using chemical reactions. The Rules in Writing an Element : 1. The Alchemy Period In the alchemy period, elements and compounds the had not been understood, so it was possible that the elements and compounds had the same symbols. For example, water ... Read More »

Worksheet Acids and Alkalis

acids and alkalis

Worksheet Acids and Alkalis - This worksheet consists of two sections are section A and section B. Section A contains multyple choice questions and section B is essay. Without reffering to the textbook, try to answer this question. Section A Choose the best answer by circling the letter A, B, C, or D 1.    The element always present in acids ... Read More »

Salts and Identification of Ions and Gases

salt

Salts and Identification of Ions and Gases – A salt can be defined as a substance formed when the hydrogen in an acid is replaced by a metal ion.  Salt for human consumption is produced in different forms such as unrefined salt (sea salt), refined salt (table salt), and iodized salt. It is a crystalline solid, white, pale pink or ... Read More »