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Chemistry Tuition Singapore Secondary Science Tuition – Acids and Bases   ACIDS The common acids found in the laboratory or in fruits/foods are as follows Strong Acids – Hydrochloric acid– Sulfuric acid-Nitric acid Weak Acids – Citric acid (in citrus fruits such as oranges and lemons)-Ethanoic acid (in vinegar)-Malic acid (in apples)   Properties of acids All acids, either strong or weak, have the following properties: Sour taste Able to conduct electricity Corrosive if concentrated -Able to turn blue litmus paper red -Able to react with metals, carbonate compounds and alkalis   Reaction with metals The reaction between metals and acids produce salts and hydrogen gas   Reaction with carbonates Acids react with carbonate compounds to produce salts ...

Economics Tuition Singapore A Level H2 H1 Economics Tuition – Essay Model Answer   Spending by Singapore-based MasterCard cardholders increased 12.4 percent to USD797.4 million in the first month of the Great Singapore Sale (GSS) this year (31 May to 30 June 2013) compared to the same period last year. (a) Explain the likely causes for the increase in consumer spending in Singapore in recent years. [10] (b) Discuss whether increasing consumption expenditure in Singapore is desirable for the economy. [15] SUGGESTED ANSWER Explain what consumption is: Consumption refers to expenditure by households on goods and services. Consumption can be induced by income changes (induced consumption) or influenced by non-income factors (autonomous consumption). A change in any one of the determ ...

General Paper Tuition Singapore A level General Paper Is poverty an inevitable feature of today’s world?   Topic: Poverty Issues: Whether poverty is an inevitable feature of today’s world Context: Today’s world (advancement of technology, information revolution, growing disparity) Keyword: inevitable (certain to happen, unavoidable),   Yes- Poverty is likely to be an inevitable feature of today’s world   The current global economic divide will continue to widen and further perpetuate poverty. In November 2013, the World Economic Forum releases these findings: Almost half of the world’s wealth is now owned by just one percent of the population. The bottom half of the world’s population owns the same as the richest 85 people in the world. Seven out of ten people live in countries w ...

Math Tuition Singapore A Level H2 H1 Math Tuition – Parametric Equations & Rate of Change     Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Math Tuition Singapore A Level H2 H1 Maths Tuition

Biology Tuition Singapore A Level H2 H1 Biology Tuition – Organism     Answer (A)   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Biology Tuition Singapore A Level H2 H1 Biology Tuition