UPCAT Science Practice Questions — Set 3

Question 1

Which compound is formed by ionic bonding?

Accepted Answer

NaCl

Answer

CH₄

Answer

CO₂

Answer

H₂O

Question 2

What is the molecular shape of water (H₂O)?

Accepted Answer

Bent

Answer

Linear

Answer

Trigonal planar

Answer

Tetrahedral

Question 3

What is the pH of a neutral solution at 25°C?

Accepted Answer

7

Answer

0

Answer

1

Answer

14

Question 4

In the equation 2H₂ + O₂ → 2H₂O, what are the reactants?

Accepted Answer

H₂ and O₂

Answer

H₂ only

Answer

H₂O only

Answer

O₂ only

Question 5

What type of reaction is represented by AB → A + B?

Accepted Answer

Decomposition

Answer

Synthesis

Answer

Double replacement

Answer

Single replacement

Question 6

Which gas is produced when an acid reacts with a metal?

Accepted Answer

Hydrogen

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Oxygen

Question 7

What happens to the particles in a substance as it changes from solid to liquid?

Accepted Answer

They move faster and farther apart

Answer

They stop moving

Answer

They disappear

Answer

They move slower

Question 8

What is the process called when a liquid changes to a gas?

Accepted Answer

Evaporation

Answer

Deposition

Answer

Sublimation

Answer

Condensation

Question 9

What is Newton's First Law of Motion?

Accepted Answer

An object at rest stays at rest unless acted upon by a force

Answer

Energy cannot be created or destroyed

Answer

F = ma

Answer

Action and reaction are equal and opposite

Question 10

If a car accelerates from 0 to 20 m/s in 5 seconds, what is its acceleration?

Accepted Answer

4 m/s²

Answer

5 m/s²

Answer

20 m/s²

Answer

100 m/s²

UPCAT Science Practice Questions — Set 3

Which compound is formed by ionic bonding?

What is the molecular shape of water (H₂O)?

What is the pH of a neutral solution at 25°C?

In the equation 2H₂ + O₂ → 2H₂O, what are the reactants?

What type of reaction is represented by AB → $A + B$ ?

Which gas is produced when an acid reacts with a metal?

What happens to the particles in a substance as it changes from solid to liquid?

What is the process called when a liquid changes to a gas?

What is Newton's First Law of Motion?

If a car accelerates from 0 to $\frac{20 m}{s}$ in 5 seconds, what is its acceleration?

UPCAT Science Practice Questions — Set 3

Which compound is formed by ionic bonding?

What is the molecular shape of water (H₂O)?

What is the pH of a neutral solution at 25°C?

In the equation 2H₂ + O₂ → 2H₂O, what are the reactants?

What type of reaction is represented by AB → A+B?

Which gas is produced when an acid reacts with a metal?

What happens to the particles in a substance as it changes from solid to liquid?

What is the process called when a liquid changes to a gas?

What is Newton's First Law of Motion?

If a car accelerates from 0 to s20m​ in 5 seconds, what is its acceleration?

What type of reaction is represented by AB → $A + B$ ?

If a car accelerates from 0 to $\frac{20 m}{s}$ in 5 seconds, what is its acceleration?