Chemistry NCEA Level 1

Question 1

How many elements are there in the periodic table?

Accepted Answer

118

Question 2

Who is Sandy's favourite Star Wars character?

Accepted Answer

Yoda, Jar Jar Binks

Question 3

What is an acid?

Accepted Answer

A corrosive substance.

Question 4

What is the atomic number of Iron?

Accepted Answer

26

Question 5

What are the products of a BASH2 reaction?

Accepted Answer

A metal salt and hydrogen.

Question 6

What is the atomic number for Ununtrium?

Accepted Answer

113

Question 7

What does the pH scale measure?

Accepted Answer

The level of acidity or alkalinity of a substance.

Question 8

What colour does red litmus go in bleach?

Accepted Answer

Blue, Blue, Blue

Question 9

What is the balanced chemical formula for calcium hydrogen carbonate?

Accepted Answer

Ca(HCO3)2

Question 10

What is the colour of a neutral substance on the pH scale?

Accepted Answer

Green

Question 11

What are the products of a CASH2OCO2 reaction?

Accepted Answer

A metal salt, water and carbon dioxide.

Question 12

What is an ion?

Accepted Answer

A charged, balanced atom.

Question 13

What are the products of a MASH2O reaction?

Accepted Answer

A metal salt and water.

Question 14

What happens at the end of Star Wars Episode 7?

Accepted Answer

Sandy saves the day, Luke forgets to shave, Leia eats Jabba, Jabba eats Leia

Question 15

Does a substance with a pH of 3 have...?

Accepted Answer

H+ greater than OH-

Question 16

What is chemistry?

Accepted Answer

All of the above.

Question 17

What is a base?

Accepted Answer

A caustic substance.

Question 18

What's the chemical symbol for sodium?

Accepted Answer

Na

Question 19

Which of the following elements is the most reactive?

Accepted Answer

Potassium

Question 20

How many levels are there on the pH scale?

Accepted Answer

14

Questions 20