Text by Mrs Teo Video clips taken from school video repository Instructions 1. You have learnt that a mixture is made up of components not chemically combined together. Thus…

Slide 1Water CHEMISTRY 2 Additional Science Chapter 8 Slide 2 The Importance of Water Water is essential to life on Earth Water is used widely as a solvent in industrial…

1. International Journal of Advances in Engineering & Technology, Mar. 2013.©IJAET ISSN: 2231-1963BIO MINERALISATION OF CALCIUM CARBONATE BY DIFFERENT BACTERIAL STRAINS…

1. Sl No.CONTENT1.SCIENCE - (i) Chemistry => Hardness of water (ii) Biology => Recycling of water (iii) Physics => Water as an energy2.SOCIAL SCIENCE- (i) Economical…

1. Sl No.CONTENT1.SCIENCE - (i) Chemistry => Hardness of water (ii) Biology => Recycling of water (iii) Physics => Water as an energy2.SOCIAL SCIENCE- (i) Economical…

Slide 1 Environmental Chemistry- Water Slide 2 Importance of Water Water is the most important and abundant chemical on Earth It makes up 80% of the Earth’s surface 2/3…

Earth Materials. Module 06 In this module you should study: The uses of Limestone as a building material and as a raw material for making other useful materials. The formation…