When it explodes it will not do any block damage but will do damage to other mobs, animals and or players.
yes
Get a creeper egg from the Creative Mode inventory and put it in a dispenser. Then apply redstone current to the dispenser. If you are not in Creative Mode then you will have to wait for a creeper to spawn in the dark.
no
Fireworks? There are no fireworks in mine craft are you talking about tnt or something?
The redstone will burn. No questions asked, it burns.
The only thing you can put in a cauldron is water. You do this by right-clicking on it while holding a water bottle.
Yes. You can do this by right-clicking a glass bottle in water or a water-filled cauldron.
Nothing noteworthy happens if mentos are put in tap water; they simply dissolve slowly.
You cannot craft a record by itself, but if a skeleton kills a creeper with an arrow, it will drop a record. You can also find them inside dungeons.
No, it's not possible yet
water will put out fire
It will make the water white
What happens? What happens? The world may never know!