Not necessarily, but the likelyhood for matter from one star falling on the other and increasing its mass beyond the threshold for a black hole might be a bit larger than usual.
Perhaps you mean stellar black hole. Stellar means related to a star, so that refers to a black hole that results from the collapse of a star. Actually that's the ONLY confirmed way to create a black hole (other ways are a bit hypothetical), but the term is also used to refer to a black hole which has approximately the mass of a star - to distinguish it from the supermassive galactic black holes in the center of most galaxies, as well as the intermediate-mass black holes found in star clusters.
Since the radius of a black hole is directly proportional to the mass it contains, one can safely say a massive star can make a black hole big; the more massive the star, the larger the black hole. Note that, depending on composition and some other factors, a heavy star may or may not blow out much of its mass in a spectacular explosion (supernova) and the small remnant it leaves behind may or may not be a black hole - it could potentially become a pulsar or neutron star instead. Black holes may also be companions to massive stars, and their size governed by how much mass they accumulate - since the star may supply the black hole with a fairly continuous stream of matter captured by gravitational effects from the companion star and thus the black hole continues to grow in size.
No. A black hole may be the remnant of the core of what was once a blue star, but the black hole itself is as black as anything can possibly be.
No, black holes cannot turn into neutron stars. Neutron stars form from the remnants of supernova explosions of massive stars, while black holes are formed from the gravitational collapse of massive stars. Once a black hole is formed, it will remain a black hole and will not transform into a neutron star.
A neutron star or a pulsar, or a black hole.
A black hole does not create a star. A black hole is formed when a star dies.
A black hole originated as a star, that is, the star converted to a black hole.
Yes, a star Super Novas when it dies and sometimes the explosion is so vast, it creates a fissure that becomes a black hole.
It takes a dying star 20 times the size of our sun to create a black hole. So no they can't.
Don't tap the screen at all and the black hole will pop up
The mass of a black hole increases when something else falls into it. That is frequently another star. It could be a planet.
A dead or dying star will start to create a black hole
A star must be at least 25 times the mass of the sun to form a black hole, though only a fraction of that mass is incorporated into the black hole.
That refers to a black hole - but a black hole is not exactly a star.
Yes. A black hole is a collapsed star.
Yes black hole is last stage of a star
Perhaps you mean stellar black hole. Stellar means related to a star, so that refers to a black hole that results from the collapse of a star. Actually that's the ONLY confirmed way to create a black hole (other ways are a bit hypothetical), but the term is also used to refer to a black hole which has approximately the mass of a star - to distinguish it from the supermassive galactic black holes in the center of most galaxies, as well as the intermediate-mass black holes found in star clusters.