Based on the diagram, what is the function of anhydrous calcium chloride in the experiment?

To absorb water vapour so that dry hydrogen will be produced

Based on the following diagram, what is the function of potassium manganate (VII) crystals in this experiment?

To avoid the metals to mix with each other

Write the word equation between metal and oxygen.

Metal + Oxygen → \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal oxide

Metal + Oxygen \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal oxygen

Write the word equation between metal oxide and hydrogen.

Metal oxide + Hydrogen → \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal + Water

Metal oxide + Hydrogen \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal hydroxide

Metal oxide + Hydrogen \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal + Water + Carbon dioxide

Metal oxide + Hydrogen \overrightarrow{ } <path d="M0 241v40h399891c-47.3 35.3-84 78-110 128 -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 151.7 139 205zm0 0v40h399900v-40z"> Metal oxide + Water

Which reaction explains about exothermic reaction?

Surrounding temperature increases

Heat is absorbed from the surroundings

Heat energy is changed to chemical energy

Which statement is correct about endothermic reaction?

Breaks the chemical bonds of the reactant

Surrounding temperature increases

The diagram shows the bread dough is put into an oven to be baked. Which statements are correct about the baking process? Choose more than one answer.

The heat from the oven is absorbed by the dough

Thermal equilibrium achieved when the bread is cooked

The formation of new substance did not occur

SCIENCE FORM 3

Authored by AYU SHOAW

Science

2nd - 12th Grade

NGSS covered

Used 3K+ times

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21 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What does xylem transport?

Water and minerals

Water only

Sugar

Food

Tags

NGSS.K-LS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Transpiration is

the movement of water through a plant from the roots up the stem

the loss of water from the leaves of a plant by the process of evaporation

the flow of water into plant roots by osmosis from the soil

the process of minerals and sugars moving through plant veins

Tags

NGSS.K-LS1-1

NGSS.2-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following carries blood away from heart?

Vein

Artery

Capillary

Valve

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the blood vessel labelled D?

To transport blood from the heart to the lungs

To transport blood from the heart to the rest of the body.

To transport blood from the rest of the body to the heart.

To transport blood from the lungs to the heart.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Figure below shows one type of blood cell. What is the name of the blood cells and its function?

Red blood cell , Transport food

White blood cell , Transport food

Red blood cell, Transport oxygen

White blood cell, Transport oxygen

Tags

NGSS.MS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which shows the correct pathway of oxygenated blood entering and leaving the heart?

Pulmonary vein > left atrium > left ventricle > aorta

Pulmonary vein > left atrium > right ventricle > aorta

Vena cava > right atrium > right ventricle > pulmonary artery

Vena cava > right atrium > left ventricle > pulmonary artery

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnesium is more reactive towards oxygen compared to

Calcium

Zinc

Sodium

Potassium

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

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SCIENCE FORM 3

What does xylem transport?

Transpiration is

Which of the following carries blood away from heart?

What is the function of the blood vessel labelled D?

Figure below shows one type of blood cell. What is the name of the blood cells and its function?

Which shows the correct pathway of oxygenated blood entering and leaving the heart?

Magnesium is more reactive towards oxygen compared to

In a less vigorous reaction between a less reactive metal such as iron and oxygen, only a glow or slow change in colour is observed

What are the two non-metal elements that are included in the reactivity series of metals?

What will happened when lead oxide react with hydrogen?

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