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Start learning 50% faster. Sign in nowOzone is mainly found in two regions of the Earth's atmosphere. Most ozone (about 90%) resides in a layer that begins between 10 to 17 kilometers above the Earth's surface and extends up to about 50 kilometers.
Naphthalene balls, commonly used as a pest repellent, are derived from which source?
Metallurgy is the process of:
When chlorination of dry slaked lime takes place, _________ will form as the main product.
Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?
Which type of bond is formed by the sharing of electrons?
Which base is present in soap?
The anode of the lead-storage battery is made up of which of the following metal?
The word “acid” comes from a ________ word.
The SI unit of mechanical energy is
Water is a good solvent of ionic salts because -
