Yes, they are - you will be safe. :)
No, a lump of coal is opaque and non-white.
The cast of Victorias Story - 2013 includes: Kerryann White as Victoria Robertson
Gluesticks are an opaque white.
No, any color may be opaque, even white. Opaque is simply the quality of not being transparent or translucent.
An opaque white
Watercolor that has been made opaque by adding inert white pigment to it is called "gouache".
Selecting Opaque specifies that the existing picture will be covered by the white background of a selected area in Paint.
I think it would be opaque.
Black and white - no transparency.
An opaque white object reflects all colors of light equally, which is why it appears white to our eyes. The object absorbs very little light, causing most colors to be scattered and reflected back to create a white appearance.
Google has many images of those swimsuits, try to enter keystone swimsuits or Charlie Chaplin. The old black and white movies should give you a glimpse of that time.
It depends on whether or not you are talking about a white opaque liquid.