What type of nuclear synthesis is believed to be the origin of the production of light elements? 

Which of the following describes stellar nucleosynthesis?

The most accepted theory about the formation of the universe which explains that it continues to expand.

A reaction in which two or more nuclei combine to form heavier nuclei. 

The atomic number is based from the number of__________.

The mass number of an element is determined by________.

The atomic number of lithium is 3, how many numbers of protons and electrons will the lithium have?

Which statement is true about the non-polar molecules? 

If a molecule has value of 1.6 electronegativity difference, this molecule is best described as________.

Which of the following forces is the strongest?

Which of the following forces is the weakest?

Which organic molecule gives fast source of energy? 

Which biomolecular group carries and passes on the genetic information of the organism?

The common food of Filipinos in their meal is rice because it is a great source of _________.

Proteins are composed of four elements, namely: carbon, hydrogen, oxygen and what other element?

What do you call the substance that increases the rate of a chemical reaction without being consumed by the reaction itself?

Collision Theory states that _______________________.

What would you do if you want to have more space for the particle size to collide? 

Which of the following factors would not affect rate of reaction?

Cookies are baked faster at higher temperatures and bread dough rises more quickly in a warm place rather than in a cool place. Which of the following situations support this effect of temperature rise in a chemical reaction?

What kind of reactant is hydrogen when it is completely used up or consumed in a chemical reaction between three moles of hydrogen and one mole of nitrogen producing two moles of ammonia?

Suppose your classmates will be visiting you. You decided to make burger for their snack. You have 20 burger patties and 17 burger buns, how many burgers you can make?

Which among the following is mainly produced from plants due to high temperature and pressure for millions of years?

During an outreach program you were involved in, you noticed the area with abundant organic waste like food scrap and animal waste. What possible best energy source can be harnessed from a particular area?

Which of the following explains how energy is harnessed from a geothermal resource?

These can be obtained from natural gas, coal, and oil. These supply power the industries, vehicles, generators, etc. This source of energy is known to pollute the environment.

Which energy source convert sunlight into electricity and is used to power spaceships and provide electricity for weather instrument, provide for hot water, cooling and supplement electricity and is a renewable source of energy. 

It is the functional ingredient of a household product.

Which of the following form micelles when placed in water?

How will you classify Bleach X which oxidizes or breaks down the molecular bonds of stains and germs?

Why is it necessary to indicate the active ingredient in product labels of cleaning products?

Which of the following is always true about active ingredients? 

How does disinfectant work?

What conclusion can be drawn from the circumstance in laundry washing where oil is removed from clothes when the nonpolar end of the detergent molecule attracts the non-polar oil molecules, while its polar end is attracted by the polar molecules of water?

Drain cleaner is a chemical product that unblocks sewer pipes or clogged wastewater drains. Caustic drain cleaners contain substances such as lye (sodium hydroxide) and caustic potash. The active ingredient of a drain cleaner is?

How does bleach work?