D only..
A is pure compound
B is mixture of compound and element
C is mixture of compounds
D is mixture of elements
A base in water will form hydroxide ions. This is because bases are AOH while acids are AH+. I hope this helps!
Answer:
The answer to your question is the letter A) 277°K
Explanation:
Data
Temperature 4°C
Formula
There are 3 main units to measure temperature Celsius, Fahrenheit and Kelvin.
To convert °C to °K just add 273°K to the temperature in °C.
°K = °C + 273
Substitution
°K = 4 + 273
Simplification and result
°K = 277°K