Questions
- 1001. How do metals react with sulfur?
- 1002. How do metals react with chlorine?
- 1003. What are nonmetallic compounds?
- 1004. What are metallic compounds?
- 1005. Why is helium used in balloons?
- 1006. What are uses of noble gases?
- 1007. What are uses of chlorine?
- 1008. What are uses of sulfur?
- 1009. How is hydrogen used as a fuel?
- 1010. What are uses of nonmetals in daily life?
- 1011. Why is copper used in electrical wiring?
- 1012. Why is aluminium used in aircraft?
- 1013. What are common uses of metals in industry?
- 1014. What are typical properties of transition metals?
- 1015. What are actinides?
- 1016. Why are lanthanides important?
- 1017. What are rare earth elements?
- 1018. Why do transition metals form colored compounds?
- 1019. What are transition metals?
- 1020. What are alkaline earth metals?
- 1021. What are alkali metals?
- 1022. What are semiconductor materials?
- 1023. Why are metalloids used in electronics?
- 1024. What is germanium used for?
- 1025. What is the importance of silicon in technology?
- 1026. What are properties of metalloids?
- 1027. What are metalloids?
- 1028. Why are noble gases unreactive?
- 1029. What are the properties of halogens?
- 1030. How do halogens react with metals?
- 1031. How do nonmetals react with hydrogen?
- 1032. How do nonmetals react with oxygen?
- 1033. What is the importance of carbon?
- 1034. How does nitrogen form useful compounds?
- 1035. What is the role of oxygen in life?
- 1036. What are examples of common nonmetals?
- 1037. Why do nonmetals form covalent compounds?
- 1038. What are chemical properties of nonmetals?
- 1039. Why do nonmetals have low density?
- 1040. Why are nonmetals generally poor conductors of heat?
- 1041. What are the physical properties of nonmetals?
- 1042. Why is stainless steel corrosion-resistant?
- 1043. What is alloying to prevent corrosion?
- 1044. What is painting or coating as corrosion prevention?
- 1045. What is galvanization?
- 1046. What factors accelerate corrosion?
- 1047. What is rusting of iron?
- 1048. What is corrosion?
- 1049. What properties do alloys improve?
- 1050. What is bronze?
- 1051. What is brass?
- 1052. What is stainless steel?
- 1053. What are examples of common alloys?
- 1054. Why are alloys used instead of pure metals?
- 1055. What is an alloy?
- 1056. What is the blast furnace process?
- 1057. Why is aluminium extracted using electrolysis?
- 1058. What is refining?
- 1059. What is smelting?
- 1060. What is calcination?
- 1061. What is roasting?
- 1062. What is concentration of ore?
- 1063. What is gangue?
- 1064. What is ore?
- 1065. What is metallurgy?
- 1066. Why are reactive metals stored in kerosene?
- 1067. How is the reactivity of metals tested?
- 1068. What is meant by electrochemical series?
- 1069. Why is gold considered a noble metal?
- 1070. Why is gold considered a noble metal?
- 1071. Why is potassium more reactive than sodium?
- 1072. What is the reactivity series?
- 1073. What are the conditions required for rusting?
- 1074. What is corrosion?
- 1075. What is displacement reaction involving metals?
- 1076. Why do some metals not react with acids?
- 1077. How do metals react with acids?
- 1078. What is the product formed when metals react with water?
- 1079. How do metals react with oxygen?
- 1080. Which metal is the best conductor of electricity?
- 1081. What is meant by high tensile strength?
- 1082. Why do metals have metallic lustre?
- 1083. Why are metals good conductors of heat?
- 1084. Why are metals good conductors of electricity?
- 1085. What is ductility?
- 1086. What is malleability?
- 1087. What are the physical properties of metals?
- 1088. What are semiconductors?
- 1089. What is the periodic table trend for metals and nonmetals?
- 1090. How are elements classified as metals, nonmetals, or metalloids?
- 1091. What are metalloids?
- 1092. What are nonmetals?
- 1093. What are metals?
- 1094. Why are pH control and neutralization essential in industries?
- 1095. What are the uses of sodium hydroxide?
- 1096. What are the uses of hydrochloric acid?
- 1097. What are the uses of sulfuric acid?
- 1098. What acids are used in the chemical industry?
- 1099. How are salts used in food preservation?
- 1100. How are bases used in cleaning agents?