Solder is an alloy of

A. tin and copper

B. tin and lead

C. tin and zinc

D. tin, copper and zinc

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which or the following is not a constituent or gun powder?
  2. The scientist associated with the discovery of the nucleus was
  3. White vitriol is
  4. In the process of purification of water for town supply, the substance used to remove bad smell and…
  5. Laughing gas is
  6. Which among the following is a local anaesthetic?
  7. A hormone which contains iodine is
  8. In the nitrogen cycle, denitrifying bacteria
  9. Which of the following act a both u oxidising and reducing agent?
  10. Which of the following can absorb gases quickly?
  11. A burning substance which continues to burn in a jar of carbon dioxide is
  12. The fertilizer which has the largest percentage of nitrogen is
  13. Temporary hardness is due to the presence of
  14. The vitamin that is found in citrus fruits such as lemon and orange is
  15. During fermentation, the by-product is
  16. Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the
  17. Rooms in places infected by plague are disinfected using
  18. Which of the following represents a physical change?
  19. Which of the following biology laboratory?
  20. The kinetic energy of gas molecules
  21. The pH or pure water is nearly 7.0 It will increase on the addition or
  22. Soda-water contains
  23. Vinegar is an aqueous solution of
  24. The substance most abundantly found in sea water is
  25. Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures…
  26. A compound of carbon used as anaesthetic is
  27. Metals are usually heavy. A light metal is
  28. Consider the following statements: Hard water is not suitable for1) drinking2) washing clothes with…
  29. PAS is a drug used In the treatment of
  30. The main constituent of gobar gas is