Characteristic of a substance that can be observed without changing the identity of the substance is known as

Solids that lose their shape under certain conditions are called

Which of the following scientific fields make significant use of chemical concepts and techniques in meeting the research objectives?

Matter that consists of two or more substances mixed together but are not chemically combined is called

A separation method wherein a mixture of solid and liquid is poured onto a filter is known as

Which of the following is not a chemical material?

A process of phase change wherein gas phase loses heat energy and changes into a liquid is called

A pure substance that cannot be changed into a simpler substance by heating or by any chemical process is known as

An organized ways of solving problems and it involves at least 5 steps is known as

Which of the following is mixture?

Which of these cannot be separated into two or more substances by physical means

An example of a chemical property is

What element is required for the synthesis of hemoglobin?

Which of these can be separated into two or more elements only by a chemical process?

If the temperature of an object is zero kelvin, the temperature on the celsius scale is

Which of the following contains only a single type of atom?

Which statement describe a chemical change?

Which of the following is compound?

How many significat figures are in the number 0.0234?

It is defined as capacity for doing work

It is the energy extracted and electricity generation from natural steam or hot water

Law of conservation of mass states that in an ordinary chemical reactions, the mass of the reactants equals the mass of the products

One kind of matter reacts with other kinds of matter is

What is the reverse of evaporation/

In biology, it is the liquid component of the blood

Which expands more when heated?

Which of the following properties are physical?

An example of liquid is

The elements necessary for the formation of vitamin b12 is

Gases  have

A scientist looked at an atom and announced, its atomic number is 114 ! What subatomic particles did he count?

Philosopher who conceived the idea that matter is made up of tiny indivisible particle is

Who among these scientist developed the atomic theory of matter?

Fluorine atom accepts one  electron forming Fluorine ion. Where is the electron added?

Which of the following are the three basic components of an atom?

What should be done to change Li to Li+ ?

A stable atom has how many electrons in the outermost shell?

How are ions formed?

Which of the following elements has 8 valence electrons?

Which of the following elements require three additional electrons to become stable?

Which of the following elements would give three electrons to satisfy the requirement of octet rule?

Scientific attitudes requires of learners accuracy and verification of data. Which manifestation is often observed in experimentation?

Which of the followin is not in the group of apparatus that are used in storing liquids?

Atomic model which shows that positively charges particles are at the center and negatively charged particles are scattered around in definite orbits

A scientist of modern times who proposed the atomic theory was

It is used in purifying water by converting the liquid water to gas then condensing back the vapors to the liquid state

Qualities that are characteristics of any sample of substance, regardless of the size and shape of the sample

Refers to the agreement of a particular value with the true value

The ratio of the mass of a substance to the volume occupied by the mass

The matter is different. the old matter is no longer present. The original matter cannot be recovered ( chemical change ).