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Black When Clean and White When Dirty

What is black when it’s clean and white when it’s dirty?

A chalkboard (or blackboard). It’s solid black when clean, and as you write on it with white chalk it becomes dirty.

Posted in Riddles


25 Comments on "Black When Clean and White When Dirty"

tee:) says
January 17, 2014 @ 12:34

chalk board

grat says
August 19, 2014 @ 17:54

Thank you you’re the only one right xD

❤️ says
December 30, 2014 @ 10:04

I have an app about riddles and that answer didnt work. Why?! I need to know!!!!!!!!!!!

Diya says
December 31, 2014 @ 15:38


Neex says
January 12, 2015 @ 22:14

some use

anissa carter says
February 8, 2015 @ 09:42

The answer is blackboard or some people call it chalkboard

avery says
February 11, 2015 @ 14:05

It is without the letter (k) what is it and it has 10 words it is not black or chalk board

jiya says
March 2, 2015 @ 09:40

Answer is blackboard not chalkboard

Quantum Raven says
April 3, 2015 @ 18:36

Either a blackboard or a black car that has lots of bird poo.

alexander says
April 6, 2015 @ 02:44

the answer is blackboard

faith reefer says
April 6, 2015 @ 11:37

black board is right u shouldn’t say chalk board cause there is a difference i just don’t know the difference yet

Keshanti says
June 5, 2015 @ 12:56

Blackboard duhhh who don’t know

M.R says
May 29, 2016 @ 05:59


Umesh Pandey says
April 16, 2017 @ 05:21

Chalk and board
black and board
Chalkboard seems better to me.. :D :D :D

Maddy says
February 3, 2018 @ 18:20

◼️What the difference between chalkboard and blackboard
There spelling!

Victoria says
May 17, 2018 @ 20:47

People stop making fun of other people for saying chalkboard i say chalkboard. Anyone who says chalkboard don’t change and you are perfect the way you are

Sean says
July 2, 2018 @ 03:47

This is bad and you guys are answering after seeing the answer we all know it. By the way chalkboards are blackboards. Blackboards are chalkboards and both are GREEN not black you stupid riddler. And a little something called dust makes so that just because it’s dirty it doesn’t HAVE to be white god you make these riddles stupid and such a stretch they’re just wrong. I came up with this in seconds. I cry but I dont shed tears I jump but don’t fall I eat but I don’t chew what am I.

A bird

Wu Ming No name says
July 12, 2018 @ 20:50

Sean, you’re getting mad at a riddle that makes sense. There are black blackboards, not just green. LOOK IT UP.

Nellz says
October 28, 2019 @ 04:23


Sharon Delafuente says
March 20, 2020 @ 22:55

Really Sean? You just made more of us laugh more, there are seriously actual blackboards! I’m really surprised you either didn’t remember or just never really paid attention to certain things. Kinda odd and funny. Thsnks for the himor at times like this?

Sharon Delafuente says
March 20, 2020 @ 22:57

Meant thanks for the humor (mispell) see even I make mistakes

Ethan says
December 16, 2020 @ 10:27

It get white when you draw
Black when clean

Rose says
March 26, 2021 @ 09:07

A chalkboard (or blackboard).

Emma says
May 14, 2021 @ 16:12

Its a blackboard

Jennifer says
December 16, 2022 @ 15:22

For those of you that are comparing “blackboards” to “chalkboards”, they are indeed the same, but the words used imply different things. Both are made with slate, but the type and color of the slate is different which is where the different terminology comes in play.

Blackboard refers strictly to a chalkboard with a black appearance because of using a darker or black slate in construction.

Chalkboard refers to ANY chalkboard regardless of color (green, tan, red, etc), although when the color is close to black or actually black it is more appropriate to use “blackboard” instead.

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