In lab, we found a metal element is solid when kept in a beaker, but melts as soon as you take it up on your palm. What metal is it possibly?
Rhenium
Gallium
Selenium
Promethium
In a massive dying star that form red supergiants, elements higher in atomic number than Hydrogen & Helium also starts fusion due to crushing pressure of the star's own gravitation & form elements of higher atomic number & it continues recursively. Which is the element that is formed last with the maximum atomic number this way & heavier atoms beyoond this are formed in trace amounts only?
Iron
Prometheum
Barium
Krypton
Marie Curie was involved in discovery of which 2 radioactive metals?
Plutonium, Radium
Uranium, Radium
Radon, Radium
Polonium, Radium
Infant has more bones than a adult ?
True
False
Rainbow does not consist of which colour?
Red
Yellow
Violet
Pink
Earth revolves around ……
Moon
Mars
Venus
Sun
Orange is full of ………
Vitamin A
Vitamin B
Vitamin C
Vitamin D