Question
Consider the following statements about Sub-Neptune
planets: 1. Recently, astronomers have identified six sub-Neptune planets orbiting in a rare synchronised dance around a star. 2. These are the most commonly observed type of planet in our galaxy. 3. Its atmosphere of these planets is not defined yet. Which of the statements given above is/are correct?Solution
Recently, astronomers have identified six sub-Neptune planets orbiting in a rare synchronised dance around a distant star. About Sub-Neptune planets: These are the most commonly observed type of planet in our galaxy. They could be rocky worlds with thick atmospheres of hydrogen and helium gas, or perhaps composed of rock and ice with warm, water-rich atmospheres. These planets have radii between that of the Earth and Neptune.
The anode of the lead-storage battery is made up of which of the following metal?
Which of the following is the lightest metal?
Which of the following elements has the maximum number of atoms in their molecular form?         Â
...Match the following columns and choose the correct option:
Column I A. Leishmania donovani B. Trypanosoma gambiense C. Entamoeba histolytica D. W...
What is the main ore of aluminum?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Deficiency of which of the following elements is responsible for weakening of bones?
1. CalciumÂ
2. Phosphorus
3. Nitrogen
...
Which endocrine gland requires iodine to synthesize a particular hormone, whose deficiency may cause goitre disease?
Which of the following is the hardest mineral?
Metallurgy is the process of:
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