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Mdcat-past-papers Quiz

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3941. Heating a mixture of chromite or FeO•Cr₂O₃ and K₂CO₃ in air is to manufacture:



3942. Metallic property in a group of P-block elements has a trend:



3943. Which of the following alkali metals can form normal oxide as well as peroxide?



3944. The transition element which doesn't show variable valency:



3945. The binding energy of transition metals increases up to group:



3946. Which of the following have positive electron affinity?



3947. The melting point of sulphur is higher than that of phosphorus because:



3948. Which one of the following noble gases will have highest boiling point?



3949. Which one is more metallic



3950. Which of the following belongs to s-block?



3951. Oxidation number of element in free state:



3952. Which of the following increase down the group for alkali metals:



3953. All alkali metals react with chlorine gas to form white metal chlorides salt. Metal chloride salt formed is:



3954. Which of the following is amphoteric in nature:



3955. Why fluorine has less electron affinity as compared to bromine?



3956. Which of the following transition metal shows 3d⁵ configuration in its +2 oxidation state?



3957. Which of the following is NOT an alloy?



3958. Electronic configuration of chromium (Proton number 24) is:



3959. Which of the following is NOT a property of transition elements?



3960. Valence shell electronic configuration of an element is 4s² 4p⁶. To which group does the element belong?