FIBONNACI

Which of the following demonstrates importance of minerals in construction?

• Water is used in curing works that strengthen concrete.

• Builders use wood materials like plywood in construction.

• Concrete which contains minerals is used to lay down foundation in construction

• All the above

How does toothpaste help in fighting tooth decay?

• It contains calcium which is the building blocks of strong teeth.

• Calcium carbonate found in toothpaste helps in removing plaque and stains.

• Its active ingredient, Fluoride, protects teeth from acids that are formed in the mouth.

• Sodium in Sodium lauryl sulfate which is also found in toothpaste protects teeth from gum disease.

Which of the following are the uses of minerals?

I. Power generation                 II. Construction and buildings

III. Medicine and Dentistry       IV. Agriculture

• I and II

• II and III

• III and IV

• I, II, III, and IV

Minerals are not only used in manufacturing industry. Common households also make use of minerals for everyday use. Which of the statement best describes minerals as important part of a household?

• Danny uses earthen oven to boil water.

• Linda uses salt in enhancing flavors of the food.

• Vella uses toothpaste to prevent tooth decay.

• . All of the above

Copper is a good conductor of electricity and is less corrosive, therefore it is best used for

• Cooking

• Electrical wiring

• Plumbing

• All of the above

Plaster: gypsum; Toothpaste: __________

• Fluorite

• Gold

• Sodium

• Mercury

Which of the following is not a mineral ore?

• a rock with fossilized insect

• a rock combined with copper

• a sediment that has gold traces

• a rock that contains valuable mineral

Nickel is an important ingredient in the production of stainless steel. In the Philippines, CARAGA region has the most numbered nickel mining site where miners remove a thin parallel strip of soil to extract the ore deposits. Which mining method did the miners use?

• Dredging

• Open-pit mining

• Strip mining

• Underground mining

Which of the following is the correct step by step process in mineral processing?

• comminution, dewatering, crushing, grinding and analysis

• sampling, analysis, comminution, filtration and dewatering

• sampling analysis, comminution, concentration and dewatering

• dewatering, comminution, analysis, sampling and surface mining

Which of the following is not included in the group?

• Dredging

• Open-pit mining

• Strip mining

• Underground mining