Which force keeps the planet in orbit, Friction, Magnetism, Gravity, What happens to litmus paper in acidic solutions?, Red litmus turns blue, Blue litmus turns red, Yellow litmus turns green, Universal indicator solution is usually green to begin with. What does this mean?, It is acidic, It is alkaline, It is neutral, A liquid has a pH of 8. What does this mean?, It is a strong acid, It is a strong alkali, It is neutral, It is a weak alkali, A liquid has a pH of 1. What does this mean?, It is a strong acid, It is a strong alkali, It is neutral, It is a weak acid, Which salt is made when copper oxide and sulfuric acid react together?, Copper chloride, Copper sulphate, Copper sulphide, What products are formed when a metal carbonate reacts with an acid?, a salt only, water only, salt, water and carbon dioxide, What does this hazard symbol mean, Toxic, Corrosive, Flammable, Which of these acids is most likely to be dangerous?, Citric, Carbonic, Hydrochloric, What name is given to a hazardous substance that can burn through skin and other substances?, Flammable, Corrosive, Oxidising, What name is given to a reaction in which an acid and base react with each other?, Neutralisation, Combustion, Displacement, Which of the following is not a part of the male reproductive system?, Penis, Testis, Uterus, Which of the following is not a part of the female reproductive system?, Ovary, Vagina, Sperm duct, What are the male sex cells called?, Sperm, Sperm ducts, Scrotum, Where are the male sex cells made?, Scrotum, Testis, Penis, What are the female sex cells called?, Ova, Cilia, Cervix, About how long does the menstrual cycle take?, 14 days, 28 days, 36 days, What is ovulation?, The release of a mature egg cell, The loss of the lining of the uterus, The joining of a male sex cell and a female sex cell, What would be happening between these two magnets, Attract, Nothing, Repel, What galaxy is our solar system part of, Milky way, Andromeda, Sleeping Beauty galaxy, Spider, What is the name of the brightest star in our galaxy?, North, Sirius, Ringo, Rigel, What is the average of 3.9 + 3.2 + 4.5, 5.2, 4.3, 3.9

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