Nucleus of an atom consists of
1). Proton
2). Neutron
3). Proton and Neutron
4). Electron Proton and Neutron
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1. Which of the following elements is not present in stainless steel?
2. The compound used in prickly-heat powder to prevent excessive sweating is
3. PVC is obtained by the polymerisation of
4. Fementation of ethyl alcohol into acetic acid is done by-
5. The enzyme that converts glucose to ethyl alcohol is :
7. Byproduct obtained by soap industry is