Question
Which gas is evolved during the reaction of an acid with
a metal?Solution
When acids react with metals, hydrogen gas is released. For example, zinc reacts with hydrochloric acid to form zinc chloride and hydrogen gas (Zn + 2HCl → ZnCl₂ + H₂).
The first genetic material on Earth was most likely:
Which one of the following is not associated with megasporangium ?Â
Which hormone is commonly known as the growth hormone?
- Which of the following is the main function of the large intestine?
The obturator on the micropyle in plants serves what function?
Streptokinase enzyme is used for :Â
Which of the following hormones is released in excess quantity during excitement?
Which of the following is a technique by which plants get rid of waste material?
I. Storing as gum and resin
II. Removed in the falling leaves
Kidney stones are primarily composed of which substance?
Which substance is predominantly found in urine?
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