Set 1 1. To separate sand and camphor in pure state from the given mixture of sand and camphor. 2. To separate sand and salt in pure and dry state from the given mixture of sand and salt. 3. To prepare common salt by treating acid with base. 4. To prepare crystal of copper sulphate from the given mixture of sand and copper sulphate. 5. To prepare barium sulphate by treating barium chloride with dilute sulphuric acid in pure state. 6. To separate sand and calcium carbonate
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HOW TO GET RID OF SILVERFISH NATURALLY Silverfish are slivery bristletail insects that live in buildings and feed on starchy materials. These fairly harmless‚ serpentine creatures aren’t pleasant to have around the house. They feed on books‚ dead skin cells‚ and thrive in dark‚ wet spaces. Once you discover an infestation‚ you can get rid of the silverfish bugs by with insecticides or various methods you will learn about from this article. Silverfish bugs are not harmful to humans. However‚ they
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Analysis of Oxygen Bearing Organic Compounds James Matthew Jocson*‚ Gianvittorio Lanta‚ Chiqui Ann Llamado‚ Jeron Manaig College of Science Department of Biology University of Santo Tomas‚ Manila‚ Philippines Abstract Five oxygen-bearing organic compounds were given namely Methanol‚ 2-propanol‚ tert - butanol‚ formalin‚ and acetone. Different tests were done to each sample to differentiate their characteristics. These test were Dichromate test‚ Tollens Test‚ DNPH test‚ Iodoform Test‚ and Lucas
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of the plant as spices to give flavor to their food and also treat diseases. It rapidly reached China and other Asian countries by the help of trade. Its chief components are Carvacrol‚ Thymol‚ Cymene‚ Caryophyllene‚ Pinene‚ Bisabolene‚ Linalool‚ Borneol‚ Geranyl Acetate‚ Linalyl Acetate and Terpinene. The application of oregano had grown and is still expanding worldwide because of the advancement in science and technology that maximized and specified the capabilities of this plant. (History of Oregano
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Why I visit the Temple? Hinduism originated in India about 4000 years ago and is the world’s oldest existing religion. Hinduism has now widely spread across the shores and people are attracted towards the themes in Hinduism which includes- Dharma‚ Samsara‚ Karma‚ and Moksha. The Hindu temple is a place of worship for Hindus with its rich architecture which attracts millions of people from around the world. Badrinath temple‚ Brihadeeswara temple‚ Somnath temple‚ Kashi Vishwanath temple‚ Tirupati
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Purpose: • To study some of the physical properties of two types of solids – ionic and molecular solids. • To classify three unknown substances as ionic compounds‚ polar covalent compounds or non-polar covalent compounds. • To identify the three unknowns. Observations: A B C Solubility in: • H2O • 2-Propanol Soluble Insoluble Soluble Insoluble Insoluble Soluble Conductivity None High None Melting Point 100 – 525 ℃ > 525 ℃ < 100 ℃ Odour Subtle None Very Strong Concluding
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CHAPTER II RELATED LITERATURE Blumea balsamifera(sambong) A Phytochemical and Pharmacological Review Sambong (Blumea balsamifera) is a native flowering or weed that is endemic in the Philippines and other tropical countries. It is a popular herb especially for its healing properties including antidiarrhetic‚ antigastralgic‚ expectorant‚ stomachic‚ and antispasmodic‚ among others. Aside from these‚ sambong is also popular for being emmenagogues‚ or for stimulating menstruation or the blood flow
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2008). 3.6.5.4.2. Chemical composition: Figure (d): Chemical structure of active components of Salvia officinalis Salvia officinalis is one of the essential herbs with a savoury and slightly peppery flavor. Essential oil of sage contains cineole‚ borneol‚ and thujone. Sage leaf contains tannic acid‚ oleic acid‚ ursonic acid‚ ursolic acid‚ niacin‚ nicotinamide‚ flavones‚ flavonoid glycosides‚ cornsole‚ cornsolic acid‚ fumaric acid‚ chlorogenic acid‚ caffeic acid‚ and estrogenic substances (Akhondzadeh
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Pineapple (Ananas comosus) skin and Dusol (Kaempferia galanga Linn.) Rhizome As Antibacterial Organic Soap A Science Investigatory Project Presented by: Romi Necq S. Abuel Bansud National High School Regional Science High School for Region IV -MIMAROPA Pag-asa‚ Bansud‚ Oriental Mindoro Abstract Many soaps in the market offer different kinds of benefits such as whitening the skin‚ treating various skin problems and removing bacteria from skin. But some may still produce
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Biotechnology In environment Clean up Process - APPSC G1 Mains - Paper 4 - Section 2 - Unit 3 The term "Environment" is defined as our surroundings which includes the abiotic component (the non living) and biotic component (the living) around us. The abiotic environment includes water‚ air and soil while the biotic environment consists of all living organisms – plants‚ animals and microorganisms. Environmental pollution broadly refers to the presence of undesirable substances in the environment
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