The most common ores of iron include
...The most common ores of iron include
haematite, malachite and limonite
chalcocite, calamine and bornite
magnetite, haematite and limonite
magnetite, chalcocite and bornite
Correct answer is C
The most common ores of iron are magnetic, haematite and limonite
The shape of ammonia molecules is ...
Which of the following ions is isoelectronic with neon? [3Li, 3F, 10Ne, 17CI,19K]...
The following substances are normal salts except ...
An example of an acidic oxide is ...
Which of the following methods can be used to seperate blood cells from plasma? ...
An element Z contains 80% of 168Z and 20% of 188Z. Its relative atomic mass is...
The chemicals used to soften hard water involves the addition of ...