Among the following the hardest metal is
1). Gold
2). Iron
3). Platinum
4). Tungsten
Which of the following alkali metals has highest specific heat?
1). Cesium
2). Rubidium
3). Potassium
4). lithium
Which mineral is the ore Of aluminium?
1). Haematite
2). Bauxite
3). Magnetite
4). Siderite
When water itself combines chemically with some element or mineral it is called
1). Carbonation
2). Desilication
3). Hydration
4). Oxidation
The long range potential of nu I clear energy in India depends on i its reserves of
1). thorium
2). uranium
3). plutonium
4). radium